679345228 has 24 divisors (see below), whose sum is σ = 1325041200. Its totient is φ = 302865408.

The previous prime is 679345207. The next prime is 679345237. The reversal of 679345228 is 822543976.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261613 + ... + 264196.

It is an arithmetic number, because the mean of its divisors is an integer number (55210050).

Almost surely, 2^679345228 is an apocalyptic number.

679345228 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

679345228 is a deficient number, since it is larger than the sum of its proper divisors (645695972).

679345228 is a wasteful number, since it uses less digits than its factorization.

679345228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525849 (or 525847 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 679345228 is about 26064.2519171374. The cubic root of 679345228 is about 879.0835966385.

The spelling of 679345228 in words is "six hundred seventy-nine million, three hundred forty-five thousand, two hundred twenty-eight".