680867 has 12 divisors (see below), whose sum is σ = 794808. Its totient is φ = 580800.

The previous prime is 680861. The next prime is 680873. The reversal of 680867 is 768086.

680867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (680861) and next prime (680873).

It is not a de Polignac number, because 680867 - 2⁶ = 680803 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 680867.

It is not an unprimeable number, because it can be changed into a prime (680861) 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, 1892 + ... + 2222.

It is an arithmetic number, because the mean of its divisors is an integer number (66234).

2⁶⁸⁰⁸⁶⁷ is an apocalyptic number.

680867 is a deficient number, since it is larger than the sum of its proper divisors (113941).

680867 is a wasteful number, since it uses less digits than its factorization.

680867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 680867 is about 825.1466536319. The cubic root of 680867 is about 87.9739506231.

The spelling of 680867 in words is "six hundred eighty thousand, eight hundred sixty-seven".