685476264 has 32 divisors (see below), whose sum is σ = 1869481440. Its totient is φ = 207720000.

The previous prime is 685476223. The next prime is 685476289. The reversal of 685476264 is 462674586.

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, 1297987 + ... + 1298514.

It is an arithmetic number, because the mean of its divisors is an integer number (58421295).

Almost surely, 2^685476264 is an apocalyptic number.

It is an amenable number.

685476264 is an abundant number, since it is smaller than the sum of its proper divisors (1184005176).

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

685476264 is a wasteful number, since it uses less digits than its factorization.

685476264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596521 (or 2596517 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The square root of 685476264 is about 26181.6016316802. The cubic root of 685476264 is about 881.7202335624.

The spelling of 685476264 in words is "six hundred eighty-five million, four hundred seventy-six thousand, two hundred sixty-four".