683680996 has 6 divisors (see below), whose sum is σ = 1196441750. Its totient is φ = 341840496.

The previous prime is 683680981. The next prime is 683681021. The reversal of 683680996 is 699086386.

It can be written as a sum of positive squares in only one way, i.e., 481188096 + 202492900 = 21936^2 + 14230^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85460121 + ... + 85460128.

Almost surely, 2^683680996 is an apocalyptic number.

It is an amenable number.

683680996 is a deficient number, since it is larger than the sum of its proper divisors (512760754).

683680996 is a wasteful number, since it uses less digits than its factorization.

683680996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170920253 (or 170920251 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 55.

The square root of 683680996 is about 26147.2942386014. The cubic root of 683680996 is about 880.9498164015.

The spelling of 683680996 in words is "six hundred eighty-three million, six hundred eighty thousand, nine hundred ninety-six".