686976352 has 12 divisors (see below), whose sum is σ = 1352484756. Its totient is φ = 343488160.

The previous prime is 686976349. The next prime is 686976371. The reversal of 686976352 is 253679686.

It is a self number, because there is not a number n which added to its sum of digits gives 686976352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10733974 + ... + 10734037.

It is an arithmetic number, because the mean of its divisors is an integer number (112707063).

Almost surely, 2^686976352 is an apocalyptic number.

It is an amenable number.

686976352 is a deficient number, since it is larger than the sum of its proper divisors (665508404).

686976352 is a wasteful number, since it uses less digits than its factorization.

686976352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21468021 (or 21468013 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The square root of 686976352 is about 26210.2337265428. The cubic root of 686976352 is about 882.3629469346.

The spelling of 686976352 in words is "six hundred eighty-six million, nine hundred seventy-six thousand, three hundred fifty-two".