680936 has 16 divisors (see below), whose sum is σ = 1304640. Its totient is φ = 333040.

The previous prime is 680929. The next prime is 680959. The reversal of 680936 is 639086.

It is a happy number.

680936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (81540).

2⁶⁸⁰⁹³⁶ is an apocalyptic number.

It is an amenable number.

680936 is a deficient number, since it is larger than the sum of its proper divisors (623704).

680936 is a wasteful number, since it uses less digits than its factorization.

680936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 680936 is about 825.1884633222. The cubic root of 680936 is about 87.9769223231.

The spelling of 680936 in words is "six hundred eighty thousand, nine hundred thirty-six".