685294268 has 12 divisors (see below), whose sum is σ = 1227155160. Its totient is φ = 334678512.

The previous prime is 685294249. The next prime is 685294301. The reversal of 685294268 is 862492586.

It is a super-3 number, since 3×685294268³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1991963 + ... + 1992306.

It is an arithmetic number, because the mean of its divisors is an integer number (102262930).

Almost surely, 2^685294268 is an apocalyptic number.

It is an amenable number.

685294268 is a deficient number, since it is larger than the sum of its proper divisors (541860892).

685294268 is a wasteful number, since it uses less digits than its factorization.

685294268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984316 (or 3984314 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 685294268 is about 26178.1257541483. The cubic root of 685294268 is about 881.6421935349.

The spelling of 685294268 in words is "six hundred eighty-five million, two hundred ninety-four thousand, two hundred sixty-eight".