868231 has 24 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 649152.

The previous prime is 868229. The next prime is 868249. The reversal of 868231 is 132868.

It is not a de Polignac number, because 868231 - 2¹ = 868229 is a prime.

It is a super-2 number, since 2×868231² = 1507650138722, which contains 22 as substring.

Its product of digits (2304) is a multiple of the sum of its prime divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 868231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18450 + ... + 18496.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2⁸⁶⁸²³¹ is an apocalyptic number.

868231 is a deficient number, since it is larger than the sum of its proper divisors (280889).

868231 is a wasteful number, since it uses less digits than its factorization.

868231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 96 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 868231 is about 931.7891392370. The cubic root of 868231 is about 95.3992797933.

The spelling of 868231 in words is "eight hundred sixty-eight thousand, two hundred thirty-one".