679696 has 20 divisors (see below), whose sum is σ = 1374912. Its totient is φ = 324896.

The previous prime is 679691. The next prime is 679699. The reversal of 679696 is 696976.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (679691) by changing a digit.

679696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556 + ... + 1291.

2⁶⁷⁹⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

679696 is an abundant number, since it is smaller than the sum of its proper divisors (695216).

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

679696 is a wasteful number, since it uses less digits than its factorization.

679696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1872 counting only the distinct ones).

The product of its digits is 122472, while the sum is 43.

The square root of 679696 is about 824.4367774426. The cubic root of 679696 is about 87.9234872132.

The spelling of 679696 in words is "six hundred seventy-nine thousand, six hundred ninety-six".