439979216 has 10 divisors (see below), whose sum is σ = 852459762. Its totient is φ = 219989600.

The previous prime is 439979207. The next prime is 439979231. The reversal of 439979216 is 612979934.

It can be written as a sum of positive squares in only one way, i.e., 302620816 + 137358400 = 17396^2 + 11720^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 13749335 + ... + 13749366.

Almost surely, 2^439979216 is an apocalyptic number.

It is an amenable number.

439979216 is a deficient number, since it is larger than the sum of its proper divisors (412480546).

439979216 is a wasteful number, since it uses less digits than its factorization.

439979216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27498709 (or 27498703 counting only the distinct ones).

The product of its digits is 734832, while the sum is 50.

The square root of 439979216 is about 20975.6815383911. The cubic root of 439979216 is about 760.5785161207.

The spelling of 439979216 in words is "four hundred thirty-nine million, nine hundred seventy-nine thousand, two hundred sixteen".