439542828 has 48 divisors (see below), whose sum is σ = 1142252160. Its totient is φ = 146167632.

The previous prime is 439542799. The next prime is 439542841. The reversal of 439542828 is 828245934.

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 15 ways as a sum of consecutive naturals, for example, 43251 + ... + 52437.

It is an arithmetic number, because the mean of its divisors is an integer number (23796920).

Almost surely, 2^439542828 is an apocalyptic number.

It is an amenable number.

439542828 is an abundant number, since it is smaller than the sum of its proper divisors (702709332).

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

439542828 is a wasteful number, since it uses less digits than its factorization.

439542828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9643 (or 9635 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 439542828 is about 20965.2767212837. The cubic root of 439542828 is about 760.3269761095.

The spelling of 439542828 in words is "four hundred thirty-nine million, five hundred forty-two thousand, eight hundred twenty-eight".