680588 has 12 divisors (see below), whose sum is σ = 1197840. Its totient is φ = 338352.

The previous prime is 680587. The next prime is 680597. The reversal of 680588 is 885086.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680588.

It is not an unprimeable number, because it can be changed into a prime (680587) 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, 545 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (99820).

2⁶⁸⁰⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

680588 is a deficient number, since it is larger than the sum of its proper divisors (517252).

680588 is a wasteful number, since it uses less digits than its factorization.

680588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 680588 is about 824.9775754528. The cubic root of 680588 is about 87.9619325708.

The spelling of 680588 in words is "six hundred eighty thousand, five hundred eighty-eight".