686960982 has 24 divisors (see below), whose sum is σ = 1490762520. Its totient is φ = 228625920.

The previous prime is 686960969. The next prime is 686960993. The reversal of 686960982 is 289069686.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18232 + ... + 41307.

It is an arithmetic number, because the mean of its divisors is an integer number (62115105).

Almost surely, 2^686960982 is an apocalyptic number.

686960982 is an abundant number, since it is smaller than the sum of its proper divisors (803801538).

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

686960982 is a wasteful number, since it uses less digits than its factorization.

686960982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60188 (or 60185 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 686960982 is about 26209.9405188184. The cubic root of 686960982 is about 882.3563663977.

The spelling of 686960982 in words is "six hundred eighty-six million, nine hundred sixty thousand, nine hundred eighty-two".