680896 has 14 divisors (see below), whose sum is σ = 1351280. Its totient is φ = 340416.

The previous prime is 680881. The next prime is 680917. The reversal of 680896 is 698086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256 + ... + 5383.

It is an arithmetic number, because the mean of its divisors is an integer number (96520).

2⁶⁸⁰⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

680896 is a deficient number, since it is larger than the sum of its proper divisors (670384).

680896 is a wasteful number, since it uses less digits than its factorization.

680896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10651 (or 10641 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 680896 is about 825.1642260787. The cubic root of 680896 is about 87.9751996229.

The spelling of 680896 in words is "six hundred eighty thousand, eight hundred ninety-six".