538907928 has 64 divisors (see below), whose sum is σ = 1500962400. Its totient is φ = 160097280.

The previous prime is 538907927. The next prime is 538907951. The reversal of 538907928 is 829709835.

It is a super-2 number, since 2×538907928² = 580843509722506368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538907927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20733 + ... + 38828.

Almost surely, 2^538907928 is an apocalyptic number.

538907928 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

538907928 is an abundant number, since it is smaller than the sum of its proper divisors (962054472).

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

538907928 is a wasteful number, since it uses less digits than its factorization.

538907928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59612 (or 59608 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 538907928 is about 23214.3905369062. The cubic root of 538907928 is about 813.7759627489.

The spelling of 538907928 in words is "five hundred thirty-eight million, nine hundred seven thousand, nine hundred twenty-eight".