3591449 has 2 divisors, whose sum is σ = 3591450. Its totient is φ = 3591448.

The previous prime is 3591397. The next prime is 3591451. The reversal of 3591449 is 9441953.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3356224 + 235225 = 1832^2 + 485^2 .

It is a cyclic number.

It is not a de Polignac number, because 3591449 - 2⁸ = 3591193 is a prime.

It is a Sophie Germain prime.

Together with 3591451, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3591499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1795724 + 1795725.

It is an arithmetic number, because the mean of its divisors is an integer number (1795725).

Almost surely, 2^3591449 is an apocalyptic number.

It is an amenable number.

3591449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3591449 is an equidigital number, since it uses as much as digits as its factorization.

3591449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 35.

The square root of 3591449 is about 1895.1118700488. Note that the first 3 decimals coincide. The cubic root of 3591449 is about 153.1404437568.

The spelling of 3591449 in words is "three million, five hundred ninety-one thousand, four hundred forty-nine".