408604904 has 8 divisors (see below), whose sum is σ = 766134210. Its totient is φ = 204302448.

The previous prime is 408604873. The next prime is 408604951. The reversal of 408604904 is 409406804.

It can be written as a sum of positive squares in only one way, i.e., 334816804 + 73788100 = 18298^2 + 8590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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, 25537799 + ... + 25537814.

Almost surely, 2^408604904 is an apocalyptic number.

It is an amenable number.

408604904 is a deficient number, since it is larger than the sum of its proper divisors (357529306).

408604904 is a wasteful number, since it uses less digits than its factorization.

408604904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51075619 (or 51075615 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 408604904 is about 20213.9779360719. The cubic root of 408604904 is about 742.0523159932.

The spelling of 408604904 in words is "four hundred eight million, six hundred four thousand, nine hundred four".