868086 has 24 divisors (see below), whose sum is σ = 1946880. Its totient is φ = 279216.

The previous prime is 868081. The next prime is 868103. The reversal of 868086 is 680868.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 868086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868081) 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, 310 + ... + 1353.

It is an arithmetic number, because the mean of its divisors is an integer number (81120).

2⁸⁶⁸⁰⁸⁶ is an apocalyptic number.

868086 is an abundant number, since it is smaller than the sum of its proper divisors (1078794).

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

868086 is a wasteful number, since it uses less digits than its factorization.

868086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 868086 is about 931.7113286850. The cubic root of 868086 is about 95.3939687391.

The spelling of 868086 in words is "eight hundred sixty-eight thousand, eighty-six".