685584960 has 56 divisors (see below), whose sum is σ = 2176735296. Its totient is φ = 182822400.

The previous prime is 685584953. The next prime is 685585003. The reversal of 685584960 is 69485586.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356116 + ... + 358035.

Almost surely, 2^685584960 is an apocalyptic number.

685584960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

685584960 is an abundant number, since it is smaller than the sum of its proper divisors (1491150336).

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

685584960 is a wasteful number, since it uses less digits than its factorization.

685584960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714171 (or 714161 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 51.

The square root of 685584960 is about 26183.6773582322. The cubic root of 685584960 is about 881.7668359041.

The spelling of 685584960 in words is "six hundred eighty-five million, five hundred eighty-four thousand, nine hundred sixty".