679628934 has 32 divisors (see below), whose sum is σ = 1559009280. Its totient is φ = 219234600.

The previous prime is 679628933. The next prime is 679628951. The reversal of 679628934 is 439826976.

It is a happy number.

679628934 is a `hidden beast` number, since 6 + 7 + 9 + 628 + 9 + 3 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679628933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201322 + ... + 204669.

It is an arithmetic number, because the mean of its divisors is an integer number (48719040).

Almost surely, 2^679628934 is an apocalyptic number.

679628934 is an abundant number, since it is smaller than the sum of its proper divisors (879380346).

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

679628934 is a wasteful number, since it uses less digits than its factorization.

679628934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406033 (or 406027 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 679628934 is about 26069.6937841625. The cubic root of 679628934 is about 879.2059529754.

The spelling of 679628934 in words is "six hundred seventy-nine million, six hundred twenty-eight thousand, nine hundred thirty-four".