478700928 has 80 divisors (see below), whose sum is σ = 1424637060. Its totient is φ = 159563520.

The previous prime is 478700921. The next prime is 478700939. The reversal of 478700928 is 829007874.

It is a super-2 number, since 2×478700928² = 458309156936122368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478700921) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12718 + ... + 33453.

Almost surely, 2^478700928 is an apocalyptic number.

478700928 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

478700928 is an abundant number, since it is smaller than the sum of its proper divisors (945936132).

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

478700928 is an equidigital number, since it uses as much as digits as its factorization.

478700928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46197 (or 46176 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 478700928 is about 21879.2350871780. The cubic root of 478700928 is about 782.2665435363.

The spelling of 478700928 in words is "four hundred seventy-eight million, seven hundred thousand, nine hundred twenty-eight".