478857232 has 20 divisors (see below), whose sum is σ = 1060326976. Its totient is φ = 205224480.

The previous prime is 478857221. The next prime is 478857277. The reversal of 478857232 is 232758874.

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, 2137644 + ... + 2137867.

Almost surely, 2^478857232 is an apocalyptic number.

It is an amenable number.

478857232 is an abundant number, since it is smaller than the sum of its proper divisors (581469744).

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

478857232 is a wasteful number, since it uses less digits than its factorization.

478857232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4275526 (or 4275520 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The square root of 478857232 is about 21882.8067669575. The cubic root of 478857232 is about 782.3516753846.

The spelling of 478857232 in words is "four hundred seventy-eight million, eight hundred fifty-seven thousand, two hundred thirty-two".