679343684 has 12 divisors (see below), whose sum is σ = 1189051500. Its totient is φ = 339614688.

The previous prime is 679343677. The next prime is 679343711. The reversal of 679343684 is 486343976.

It can be written as a sum of positive squares in 2 ways, for example, as 205062400 + 474281284 = 14320^2 + 21778^2 .

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, 23642 + ... + 43790.

It is an arithmetic number, because the mean of its divisors is an integer number (99087625).

Almost surely, 2^679343684 is an apocalyptic number.

It is an amenable number.

679343684 is a deficient number, since it is larger than the sum of its proper divisors (509707816).

679343684 is a wasteful number, since it uses less digits than its factorization.

679343684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28582 (or 28580 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 50.

The square root of 679343684 is about 26064.2222980084. Note that the first 4 decimals coincide. The cubic root of 679343684 is about 879.0829306511.

The spelling of 679343684 in words is "six hundred seventy-nine million, three hundred forty-three thousand, six hundred eighty-four".