680286 has 8 divisors (see below), whose sum is σ = 1360584. Its totient is φ = 226760.

The previous prime is 680263. The next prime is 680291. The reversal of 680286 is 682086.

680286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

680286 is an admirable number.

It is a congruent number.

It is an unprimeable number.

680286 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56685 + ... + 56696.

It is an arithmetic number, because the mean of its divisors is an integer number (170073).

2⁶⁸⁰²⁸⁶ is an apocalyptic number.

680286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

680286 is a wasteful number, since it uses less digits than its factorization.

680286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113386.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 680286 is about 824.7945198654. The cubic root of 680286 is about 87.9489200807.

The spelling of 680286 in words is "six hundred eighty thousand, two hundred eighty-six".