683993768 has 32 divisors (see below), whose sum is σ = 1396548000. Its totient is φ = 312822720.

The previous prime is 683993743. The next prime is 683993777. The reversal of 683993768 is 867399386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73178 + ... + 81993.

It is an arithmetic number, because the mean of its divisors is an integer number (43642125).

Almost surely, 2^683993768 is an apocalyptic number.

It is an amenable number.

683993768 is an abundant number, since it is smaller than the sum of its proper divisors (712554232).

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

683993768 is a wasteful number, since it uses less digits than its factorization.

683993768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155225 (or 155221 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The square root of 683993768 is about 26153.2745177349. The cubic root of 683993768 is about 881.0841355896.

The spelling of 683993768 in words is "six hundred eighty-three million, nine hundred ninety-three thousand, seven hundred sixty-eight".