3449 has 2 divisors, whose sum is σ = 3450. Its totient is φ = 3448.

The previous prime is 3433. The next prime is 3457. The reversal of 3449 is 9443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849 + 1600 = 43^2 + 40^2 .

It is a cyclic number.

It is not a de Polignac number, because 3449 - 2^{4} = 3433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is a self number, because there is not a number *n* which added to its sum of digits gives 3449.

It is not a weakly prime, because it can be changed into another prime (3469) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1724 + 1725.

It is an arithmetic number, because the mean of its divisors is an integer number (1725).

It is an amenable number.

3449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3449 is an equidigital number, since it uses as much as digits as its factorization.

3449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 3449 is about 58.7281874401. The cubic root of 3449 is about 15.1088380055.

It can be divided in two parts, 344 and 9, that added together give a palindrome (353).

The spelling of 3449 in words is "three thousand, four hundred forty-nine".

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