679903204 has 12 divisors (see below), whose sum is σ = 1190042028. Its totient is φ = 339891200.

The previous prime is 679903199. The next prime is 679903243. The reversal of 679903204 is 402309976.

It can be written as a sum of positive squares in 2 ways, for example, as 442681600 + 237221604 = 21040^2 + 15402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18564 + ... + 41284.

It is an arithmetic number, because the mean of its divisors is an integer number (99170169).

Almost surely, 2^679903204 is an apocalyptic number.

It is an amenable number.

679903204 is a deficient number, since it is larger than the sum of its proper divisors (510138824).

679903204 is a wasteful number, since it uses less digits than its factorization.

679903204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30206 (or 30204 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 679903204 is about 26074.9535761811. The cubic root of 679903204 is about 879.3242074002.

The spelling of 679903204 in words is "six hundred seventy-nine million, nine hundred three thousand, two hundred four".