683987692 has 12 divisors (see below), whose sum is σ = 1197163800. Its totient is φ = 341940896.

The previous prime is 683987683. The next prime is 683987719. The reversal of 683987692 is 296789386.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37059 + ... + 52357.

It is an arithmetic number, because the mean of its divisors is an integer number (99763650).

Almost surely, 2^683987692 is an apocalyptic number.

It is an amenable number.

683987692 is a deficient number, since it is larger than the sum of its proper divisors (513176108).

683987692 is a wasteful number, since it uses less digits than its factorization.

683987692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26480 (or 26478 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 58.

The square root of 683987692 is about 26153.1583561145. The cubic root of 683987692 is about 881.0815266560.

The spelling of 683987692 in words is "six hundred eighty-three million, nine hundred eighty-seven thousand, six hundred ninety-two".