679346656 has 24 divisors (see below), whose sum is σ = 1416139200. Its totient is φ = 319692288.

The previous prime is 679346641. The next prime is 679346659. The reversal of 679346656 is 656643976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679346659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623856 + ... + 624943.

It is an arithmetic number, because the mean of its divisors is an integer number (59005800).

Almost surely, 2^679346656 is an apocalyptic number.

It is an amenable number.

679346656 is an abundant number, since it is smaller than the sum of its proper divisors (736792544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679346656 is a wasteful number, since it uses less digits than its factorization.

679346656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248826 (or 1248818 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 52.

The square root of 679346656 is about 26064.2793109650. The cubic root of 679346656 is about 879.0842125896.

The spelling of 679346656 in words is "six hundred seventy-nine million, three hundred forty-six thousand, six hundred fifty-six".