432591628 has 24 divisors (see below), whose sum is σ = 865644192. Its totient is φ = 185297664.

The previous prime is 432591587. The next prime is 432591661. The reversal of 432591628 is 826195234.

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, 78450 + ... + 83782.

It is an arithmetic number, because the mean of its divisors is an integer number (36068508).

Almost surely, 2^432591628 is an apocalyptic number.

It is an amenable number.

432591628 is an abundant number, since it is smaller than the sum of its proper divisors (433052564).

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

432591628 is a wasteful number, since it uses less digits than its factorization.

432591628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8241 (or 8239 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 432591628 is about 20798.8371790348. The cubic root of 432591628 is about 756.2975672286.

The spelling of 432591628 in words is "four hundred thirty-two million, five hundred ninety-one thousand, six hundred twenty-eight".