427553928 has 48 divisors (see below), whose sum is σ = 1159844400. Its totient is φ = 142285920.

The previous prime is 427553921. The next prime is 427553947. The reversal of 427553928 is 829355724.

427553928 is a `hidden beast` number, since 4 + 2 + 7 + 553 + 92 + 8 = 666.

It is a super-2 number, since 2×427553928² = 365604722696458368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (427553921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42943 + ... + 51953.

It is an arithmetic number, because the mean of its divisors is an integer number (24163425).

Almost surely, 2^427553928 is an apocalyptic number.

It is an amenable number.

427553928 is an abundant number, since it is smaller than the sum of its proper divisors (732290472).

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

427553928 is a wasteful number, since it uses less digits than its factorization.

427553928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9682 (or 9675 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 427553928 is about 20677.3772031174. The cubic root of 427553928 is about 753.3503023475.

The spelling of 427553928 in words is "four hundred twenty-seven million, five hundred fifty-three thousand, nine hundred twenty-eight".