439304228 has 12 divisors (see below), whose sum is σ = 838671792. Its totient is φ = 199683720.

The previous prime is 439304207. The next prime is 439304231. The reversal of 439304228 is 822403934.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4992050 + ... + 4992137.

It is an arithmetic number, because the mean of its divisors is an integer number (69889316).

Almost surely, 2^439304228 is an apocalyptic number.

It is an amenable number.

439304228 is a deficient number, since it is larger than the sum of its proper divisors (399367564).

439304228 is a wasteful number, since it uses less digits than its factorization.

439304228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984202 (or 9984200 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 439304228 is about 20959.5855875063. The cubic root of 439304228 is about 760.1893733998.

The spelling of 439304228 in words is "four hundred thirty-nine million, three hundred four thousand, two hundred twenty-eight".