427142832 has 20 divisors (see below), whose sum is σ = 1103452440. Its totient is φ = 142380928.

The previous prime is 427142813. The next prime is 427142843. The reversal of 427142832 is 238241724.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 427142793 and 427142802.

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, 4449357 + ... + 4449452.

It is an arithmetic number, because the mean of its divisors is an integer number (55172622).

Almost surely, 2^427142832 is an apocalyptic number.

It is an amenable number.

427142832 is an abundant number, since it is smaller than the sum of its proper divisors (676309608).

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

427142832 is a wasteful number, since it uses less digits than its factorization.

427142832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898820 (or 8898814 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 427142832 is about 20667.4340932782. The cubic root of 427142832 is about 753.1087744466.

The spelling of 427142832 in words is "four hundred twenty-seven million, one hundred forty-two thousand, eight hundred thirty-two".