679389228 has 48 divisors (see below), whose sum is σ = 2013007360. Its totient is φ = 194110992.

The previous prime is 679389209. The next prime is 679389239. The reversal of 679389228 is 822983976.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448576 + ... + 450087.

Almost surely, 2^679389228 is an apocalyptic number.

It is an amenable number.

679389228 is an abundant number, since it is smaller than the sum of its proper divisors (1333618132).

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

679389228 is a wasteful number, since it uses less digits than its factorization.

679389228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898683 (or 898675 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 679389228 is about 26065.0959714328. The cubic root of 679389228 is about 879.1025751301.

The spelling of 679389228 in words is "six hundred seventy-nine million, three hundred eighty-nine thousand, two hundred twenty-eight".