680489584 has 20 divisors (see below), whose sum is σ = 1319027184. Its totient is φ = 340095488.

The previous prime is 680489561. The next prime is 680489597. The reversal of 680489584 is 485984086.

It is a congruent number.

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, 34509 + ... + 50515.

Almost surely, 2^680489584 is an apocalyptic number.

It is an amenable number.

680489584 is a deficient number, since it is larger than the sum of its proper divisors (638537600).

680489584 is a wasteful number, since it uses less digits than its factorization.

680489584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18672 (or 18666 counting only the distinct ones).

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

The square root of 680489584 is about 26086.1952764293. The cubic root of 680489584 is about 879.5769247310.

The spelling of 680489584 in words is "six hundred eighty million, four hundred eighty-nine thousand, five hundred eighty-four".