680884 has 36 divisors (see below), whose sum is σ = 1375360. Its totient is φ = 293760.

The previous prime is 680881. The next prime is 680917. The reversal of 680884 is 488086.

680884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21949 + ... + 21979.

2⁶⁸⁰⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

680884 is an abundant number, since it is smaller than the sum of its proper divisors (694476).

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

680884 is a wasteful number, since it uses less digits than its factorization.

680884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 680884 is about 825.1569547668. The cubic root of 680884 is about 87.9746827997.

The spelling of 680884 in words is "six hundred eighty thousand, eight hundred eighty-four".