679996 has 12 divisors (see below), whose sum is σ = 1215648. Its totient is φ = 332672.

The previous prime is 679993. The next prime is 679999. The reversal of 679996 is 699976.

It is an interprime number because it is at equal distance from previous prime (679993) and next prime (679999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621 + ... + 1996.

It is an arithmetic number, because the mean of its divisors is an integer number (101304).

2⁶⁷⁹⁹⁹⁶ is an apocalyptic number.

It is an amenable number.

679996 is a deficient number, since it is larger than the sum of its proper divisors (535652).

679996 is a wasteful number, since it uses less digits than its factorization.

679996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3666 counting only the distinct ones).

The product of its digits is 183708, while the sum is 46.

The square root of 679996 is about 824.6186997637. The cubic root of 679996 is about 87.9364210181.

The spelling of 679996 in words is "six hundred seventy-nine thousand, nine hundred ninety-six".