679888 has 20 divisors (see below), whose sum is σ = 1437408. Its totient is φ = 308960.

The previous prime is 679883. The next prime is 679891. The reversal of 679888 is 888976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679883) by changing a digit.

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, 1756 + ... + 2107.

2⁶⁷⁹⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

679888 is an abundant number, since it is smaller than the sum of its proper divisors (757520).

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

679888 is a wasteful number, since it uses less digits than its factorization.

679888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882 (or 3876 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The square root of 679888 is about 824.5532123520. The cubic root of 679888 is about 87.9317652867.

It can be divided in two parts, 6798 and 88, that added together give a palindrome (6886).

The spelling of 679888 in words is "six hundred seventy-nine thousand, eight hundred eighty-eight".