868311 has 6 divisors (see below), whose sum is σ = 1254240. Its totient is φ = 578868.

The previous prime is 868291. The next prime is 868313. The reversal of 868311 is 113868.

It is a de Polignac number, because none of the positive numbers 2^k-868311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48231 + ... + 48248.

It is an arithmetic number, because the mean of its divisors is an integer number (209040).

2⁸⁶⁸³¹¹ is an apocalyptic number.

868311 is a deficient number, since it is larger than the sum of its proper divisors (385929).

868311 is a wasteful number, since it uses less digits than its factorization.

868311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96485 (or 96482 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 868311 is about 931.8320664154. The cubic root of 868311 is about 95.4022097770.

The spelling of 868311 in words is "eight hundred sixty-eight thousand, three hundred eleven".