680048394 has 16 divisors (see below), whose sum is σ = 1360490880. Its totient is φ = 226617120.

The previous prime is 680048389. The next prime is 680048401. The reversal of 680048394 is 493840086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9054 + ... + 37974.

It is an arithmetic number, because the mean of its divisors is an integer number (85030680).

Almost surely, 2^680048394 is an apocalyptic number.

680048394 is an abundant number, since it is smaller than the sum of its proper divisors (680442486).

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

680048394 is a wasteful number, since it uses less digits than its factorization.

680048394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32845.

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

The square root of 680048394 is about 26077.7375168936. The cubic root of 680048394 is about 879.3867947383.

The spelling of 680048394 in words is "six hundred eighty million, forty-eight thousand, three hundred ninety-four".