523437928 has 16 divisors (see below), whose sum is σ = 1056942180. Its totient is φ = 241586688.

The previous prime is 523437917. The next prime is 523437949. The reversal of 523437928 is 829734325.

It can be written as a sum of positive squares in 2 ways, for example, as 519019524 + 4418404 = 22782^2 + 2102^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2516425 + ... + 2516632.

Almost surely, 2^523437928 is an apocalyptic number.

It is an amenable number.

523437928 is an abundant number, since it is smaller than the sum of its proper divisors (533504252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523437928 is a wasteful number, since it uses less digits than its factorization.

523437928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033076 (or 5033072 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 523437928 is about 22878.7658758072. The cubic root of 523437928 is about 805.9134355658.

The spelling of 523437928 in words is "five hundred twenty-three million, four hundred thirty-seven thousand, nine hundred twenty-eight".