680015 has 8 divisors (see below), whose sum is σ = 932640. Its totient is φ = 466272.

The previous prime is 680003. The next prime is 680027. The reversal of 680015 is 510086.

It is an interprime number because it is at equal distance from previous prime (680003) and next prime (680027).

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

It is a cyclic number.

It is not a de Polignac number, because 680015 - 2⁴ = 679999 is a prime.

It is a congruent number.

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, 9680 + ... + 9749.

It is an arithmetic number, because the mean of its divisors is an integer number (116580).

2⁶⁸⁰⁰¹⁵ is an apocalyptic number.

680015 is a deficient number, since it is larger than the sum of its proper divisors (252625).

680015 is a wasteful number, since it uses less digits than its factorization.

680015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19441.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 680015 is about 824.6302201593. The cubic root of 680015 is about 87.9372400310.

The spelling of 680015 in words is "six hundred eighty thousand, fifteen".