679258444 has 12 divisors (see below), whose sum is σ = 1216346824. Its totient is φ = 331730784.

The previous prime is 679258427. The next prime is 679258483. The reversal of 679258444 is 444852976.

It is a super-2 number, since 2×679258444² = 922784067490602272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 1974417 + ... + 1974760.

Almost surely, 2^679258444 is an apocalyptic number.

It is an amenable number.

679258444 is a deficient number, since it is larger than the sum of its proper divisors (537088380).

679258444 is a wasteful number, since it uses less digits than its factorization.

679258444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949224 (or 3949222 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

The square root of 679258444 is about 26062.5870550105. The cubic root of 679258444 is about 879.0461617494.

The spelling of 679258444 in words is "six hundred seventy-nine million, two hundred fifty-eight thousand, four hundred forty-four".