685062956 has 6 divisors (see below), whose sum is σ = 1198860180. Its totient is φ = 342531476.

The previous prime is 685062949. The next prime is 685062977. The reversal of 685062956 is 659260586.

685062956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×685062956² = 938622507366915872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 685062956.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85632866 + ... + 85632873.

It is an arithmetic number, because the mean of its divisors is an integer number (199810030).

Almost surely, 2^685062956 is an apocalyptic number.

It is an amenable number.

685062956 is a deficient number, since it is larger than the sum of its proper divisors (513797224).

685062956 is a wasteful number, since it uses less digits than its factorization.

685062956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171265743 (or 171265741 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 685062956 is about 26173.7073415288. The cubic root of 685062956 is about 881.5429868252.

The spelling of 685062956 in words is "six hundred eighty-five million, sixty-two thousand, nine hundred fifty-six".