680584984 has 32 divisors (see below), whose sum is σ = 1302186240. Its totient is φ = 333396000.

The previous prime is 680584981. The next prime is 680585027. The reversal of 680584984 is 489485086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680584981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88909 + ... + 96259.

It is an arithmetic number, because the mean of its divisors is an integer number (40693320).

Almost surely, 2^680584984 is an apocalyptic number.

It is an amenable number.

680584984 is a deficient number, since it is larger than the sum of its proper divisors (621601256).

680584984 is a wasteful number, since it uses less digits than its factorization.

680584984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7591 (or 7587 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The square root of 680584984 is about 26088.0237657052. The cubic root of 680584984 is about 879.6180263729.

The spelling of 680584984 in words is "six hundred eighty million, five hundred eighty-four thousand, nine hundred eighty-four".