680038386 has 48 divisors (see below), whose sum is σ = 1520902560. Its totient is φ = 202106880.

The previous prime is 680038379. The next prime is 680038433. The reversal of 680038386 is 683830086.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22626 + ... + 43266.

It is an arithmetic number, because the mean of its divisors is an integer number (31685470).

Almost surely, 2^680038386 is an apocalyptic number.

680038386 is an abundant number, since it is smaller than the sum of its proper divisors (840864174).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680038386 is a wasteful number, since it uses less digits than its factorization.

680038386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20699 (or 20682 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 680038386 is about 26077.5456283754. The cubic root of 680038386 is about 879.3824808560.

The spelling of 680038386 in words is "six hundred eighty million, thirty-eight thousand, three hundred eighty-six".