680604 has 24 divisors (see below), whose sum is σ = 1626240. Its totient is φ = 221424.

The previous prime is 680597. The next prime is 680611. The reversal of 680604 is 406086.

It is an interprime number because it is at equal distance from previous prime (680597) and next prime (680611).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680604.

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, 144 + ... + 1175.

It is an arithmetic number, because the mean of its divisors is an integer number (67760).

2⁶⁸⁰⁶⁰⁴ is an apocalyptic number.

It is an amenable number.

680604 is an abundant number, since it is smaller than the sum of its proper divisors (945636).

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

680604 is a wasteful number, since it uses less digits than its factorization.

680604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 680604 is about 824.9872726291. The cubic root of 680604 is about 87.9626218669.

The spelling of 680604 in words is "six hundred eighty thousand, six hundred four".