439471628 has 12 divisors (see below), whose sum is σ = 778811040. Its totient is φ = 216954192.

The previous prime is 439471561. The next prime is 439471631. The reversal of 439471628 is 826174934.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 695051 + ... + 695682.

It is an arithmetic number, because the mean of its divisors is an integer number (64900920).

Almost surely, 2^439471628 is an apocalyptic number.

It is an amenable number.

439471628 is a deficient number, since it is larger than the sum of its proper divisors (339339412).

439471628 is a wasteful number, since it uses less digits than its factorization.

439471628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390816 (or 1390814 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 439471628 is about 20963.5786067169. The cubic root of 439471628 is about 760.2859196598.

The spelling of 439471628 in words is "four hundred thirty-nine million, four hundred seventy-one thousand, six hundred twenty-eight".