683680995 has 24 divisors (see below), whose sum is σ = 1187621136. Its totient is φ = 363837888.

The previous prime is 683680981. The next prime is 683681021. The reversal of 683680995 is 599086386.

It is not a de Polignac number, because 683680995 - 2¹⁸ = 683418851 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4749 + ... + 37281.

It is an arithmetic number, because the mean of its divisors is an integer number (49484214).

Almost surely, 2^683680995 is an apocalyptic number.

683680995 is a deficient number, since it is larger than the sum of its proper divisors (503940141).

683680995 is a wasteful number, since it uses less digits than its factorization.

683680995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33011 (or 33008 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 683680995 is about 26147.2942194790. The cubic root of 683680995 is about 880.9498159720.

The spelling of 683680995 in words is "six hundred eighty-three million, six hundred eighty thousand, nine hundred ninety-five".