680682 has 16 divisors (see below), whose sum is σ = 1395072. Its totient is φ = 221280.

The previous prime is 680681. The next prime is 680707. The reversal of 680682 is 286086.

680682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680682.

It is not an unprimeable number, because it can be changed into a prime (680681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138 + ... + 1629.

It is an arithmetic number, because the mean of its divisors is an integer number (87192).

2⁶⁸⁰⁶⁸² is an apocalyptic number.

680682 is an abundant number, since it is smaller than the sum of its proper divisors (714390).

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

680682 is a wasteful number, since it uses less digits than its factorization.

680682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2813.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 680682 is about 825.0345447313. The cubic root of 680682 is about 87.9659820305.

The spelling of 680682 in words is "six hundred eighty thousand, six hundred eighty-two".