686983304 has 32 divisors (see below), whose sum is σ = 1549588800. Its totient is φ = 278925120.

The previous prime is 686983301. The next prime is 686983327. The reversal of 686983304 is 403389686.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (686983301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321767 + ... + 323894.

It is an arithmetic number, because the mean of its divisors is an integer number (48424650).

Almost surely, 2^686983304 is an apocalyptic number.

It is an amenable number.

686983304 is an abundant number, since it is smaller than the sum of its proper divisors (862605496).

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

686983304 is a wasteful number, since it uses less digits than its factorization.

686983304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645693 (or 645689 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 686983304 is about 26210.3663461616. The cubic root of 686983304 is about 882.3659233429.

The spelling of 686983304 in words is "six hundred eighty-six million, nine hundred eighty-three thousand, three hundred four".