504391928 has 16 divisors (see below), whose sum is σ = 951021000. Its totient is φ = 250786336.

The previous prime is 504391919. The next prime is 504391931. The reversal of 504391928 is 829193405.

It is a super-2 number, since 2×504391928² = 508822434063114368, which contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 174683 + ... + 177546.

Almost surely, 2^504391928 is an apocalyptic number.

It is an amenable number.

504391928 is a deficient number, since it is larger than the sum of its proper divisors (446629072).

504391928 is a wasteful number, since it uses less digits than its factorization.

504391928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352414 (or 352410 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 504391928 is about 22458.6715546579. The cubic root of 504391928 is about 796.0176717203.

The spelling of 504391928 in words is "five hundred four million, three hundred ninety-one thousand, nine hundred twenty-eight".