523438904 has 32 divisors (see below), whose sum is σ = 1044738000. Its totient is φ = 245152512.

The previous prime is 523438837. The next prime is 523438913. The reversal of 523438904 is 409834325.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5819 + ... + 32874.

Almost surely, 2^523438904 is an apocalyptic number.

It is an amenable number.

523438904 is a deficient number, since it is larger than the sum of its proper divisors (521299096).

523438904 is a wasteful number, since it uses less digits than its factorization.

523438904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38807 (or 38803 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 523438904 is about 22878.7872056191. The cubic root of 523438904 is about 805.9139364663.

The spelling of 523438904 in words is "five hundred twenty-three million, four hundred thirty-eight thousand, nine hundred four".