428432964 has 24 divisors (see below), whose sum is σ = 1002008448. Its totient is φ = 142477920.

The previous prime is 428432911. The next prime is 428432971. The reversal of 428432964 is 469234824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36247 + ... + 46590.

It is an arithmetic number, because the mean of its divisors is an integer number (41750352).

Almost surely, 2^428432964 is an apocalyptic number.

It is an amenable number.

428432964 is an abundant number, since it is smaller than the sum of its proper divisors (573575484).

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

428432964 is a wasteful number, since it uses less digits than its factorization.

428432964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83275 (or 83273 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 428432964 is about 20698.6222729920. The cubic root of 428432964 is about 753.8662362648.

The spelling of 428432964 in words is "four hundred twenty-eight million, four hundred thirty-two thousand, nine hundred sixty-four".