404535449 has 2 divisors, whose sum is σ = 404535450. Its totient is φ = 404535448.

The previous prime is 404535437. The next prime is 404535473. The reversal of 404535449 is 944535404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366033424 + 38502025 = 19132^2 + 6205^2 .

It is a cyclic number.

It is not a de Polignac number, because 404535449 - 2²⁴ = 387758233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (404535409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202267724 + 202267725.

It is an arithmetic number, because the mean of its divisors is an integer number (202267725).

Almost surely, 2^404535449 is an apocalyptic number.

It is an amenable number.

404535449 is a deficient number, since it is larger than the sum of its proper divisors (1).

404535449 is an equidigital number, since it uses as much as digits as its factorization.

404535449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 404535449 is about 20113.0666234664. The cubic root of 404535449 is about 739.5806298024.

The spelling of 404535449 in words is "four hundred four million, five hundred thirty-five thousand, four hundred forty-nine".