684569996 has 48 divisors (see below), whose sum is σ = 1325963520. Its totient is φ = 306669120.

The previous prime is 684569971. The next prime is 684570013. The reversal of 684569996 is 699965486.

684569996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (25194240) is a multiple of the sum of its prime divisors (972).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057745 + ... + 1058391.

It is an arithmetic number, because the mean of its divisors is an integer number (27624240).

Almost surely, 2^684569996 is an apocalyptic number.

It is an amenable number.

684569996 is a deficient number, since it is larger than the sum of its proper divisors (641393524).

684569996 is a wasteful number, since it uses less digits than its factorization.

684569996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974 (or 972 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 62.

The square root of 684569996 is about 26164.2885628484. The cubic root of 684569996 is about 881.3314881574.

The spelling of 684569996 in words is "six hundred eighty-four million, five hundred sixty-nine thousand, nine hundred ninety-six".