679628 has 12 divisors (see below), whose sum is σ = 1199352. Its totient is φ = 336960.

The previous prime is 679607. The next prime is 679633. The reversal of 679628 is 826976.

It is a junction number, because it is equal to n+sod(n) for n = 679591 and 679600.

It is an unprimeable number.

679628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125 + ... + 1172.

It is an arithmetic number, because the mean of its divisors is an integer number (99946).

2⁶⁷⁹⁶²⁸ is an apocalyptic number.

It is an amenable number.

679628 is a deficient number, since it is larger than the sum of its proper divisors (519724).

679628 is a wasteful number, since it uses less digits than its factorization.

679628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 679628 is about 824.3955361354. The cubic root of 679628 is about 87.9205550217.

The spelling of 679628 in words is "six hundred seventy-nine thousand, six hundred twenty-eight".