679812 has 24 divisors (see below), whose sum is σ = 1813056. Its totient is φ = 194208.

The previous prime is 679807. The next prime is 679823. The reversal of 679812 is 218976.

679812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 679812.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (75544).

2⁶⁷⁹⁸¹² is an apocalyptic number.

It is an amenable number.

679812 is an abundant number, since it is smaller than the sum of its proper divisors (1133244).

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

679812 is a wasteful number, since it uses less digits than its factorization.

679812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8107 (or 8105 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 679812 is about 824.5071254998. The cubic root of 679812 is about 87.9284887356.

The spelling of 679812 in words is "six hundred seventy-nine thousand, eight hundred twelve".