687108 has 12 divisors (see below), whose sum is σ = 1603280. Its totient is φ = 229032.

The previous prime is 687107. The next prime is 687109. The reversal of 687108 is 801786.

It is an interprime number because it is at equal distance from previous prime (687107) and next prime (687109).

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 687108.

It is not an unprimeable number, because it can be changed into a prime (687101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28618 + ... + 28641.

2⁶⁸⁷¹⁰⁸ is an apocalyptic number.

It is an amenable number.

687108 is an abundant number, since it is smaller than the sum of its proper divisors (916172).

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

687108 is a wasteful number, since it uses less digits than its factorization.

687108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57266 (or 57264 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 687108 is about 828.9197789895. The cubic root of 687108 is about 88.2419306904.

The spelling of 687108 in words is "six hundred eighty-seven thousand, one hundred eight".