868670 has 32 divisors (see below), whose sum is σ = 1749600. Its totient is φ = 307840.

The previous prime is 868669. The next prime is 868691. The reversal of 868670 is 76868.

868670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 868670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5756 + ... + 5904.

It is an arithmetic number, because the mean of its divisors is an integer number (54675).

2⁸⁶⁸⁶⁷⁰ is an apocalyptic number.

868670 is an abundant number, since it is smaller than the sum of its proper divisors (880930).

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

868670 is a wasteful number, since it uses less digits than its factorization.

868670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

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

The square root of 868670 is about 932.0246777849. The cubic root of 868670 is about 95.4153558634.

The spelling of 868670 in words is "eight hundred sixty-eight thousand, six hundred seventy".