683976994 has 16 divisors (see below), whose sum is σ = 1081598976. Its totient is φ = 323913600.

The previous prime is 683976983. The next prime is 683977001. The reversal of 683976994 is 499679386.

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 7 ways as a sum of consecutive naturals, for example, 114447 + ... + 120274.

It is an arithmetic number, because the mean of its divisors is an integer number (67599936).

Almost surely, 2^683976994 is an apocalyptic number.

683976994 is a deficient number, since it is larger than the sum of its proper divisors (397621982).

683976994 is a wasteful number, since it uses less digits than its factorization.

683976994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234801.

The product of its digits is 17635968, while the sum is 61.

The square root of 683976994 is about 26152.9538293478. The cubic root of 683976994 is about 881.0769330746.

The spelling of 683976994 in words is "six hundred eighty-three million, nine hundred seventy-six thousand, nine hundred ninety-four".