63925928 has 16 divisors (see below), whose sum is σ = 130757760. Its totient is φ = 29057200.

The previous prime is 63925913. The next prime is 63925943. The reversal of 63925928 is 82952936.

It is an interprime number because it is at equal distance from previous prime (63925913) and next prime (63925943).

It is a super-2 number, since 2×63925928² = 8173048541322368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 363128 + ... + 363303.

It is an arithmetic number, because the mean of its divisors is an integer number (8172360).

Almost surely, 2^63925928 is an apocalyptic number.

It is an amenable number.

63925928 is an abundant number, since it is smaller than the sum of its proper divisors (66831832).

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

63925928 is a wasteful number, since it uses less digits than its factorization.

63925928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726448 (or 726444 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 63925928 is about 7995.3691597074. The cubic root of 63925928 is about 399.8456237609.

The spelling of 63925928 in words is "sixty-three million, nine hundred twenty-five thousand, nine hundred twenty-eight".