868331 has 2 divisors, whose sum is σ = 868332. Its totient is φ = 868330.

The previous prime is 868327. The next prime is 868337. The reversal of 868331 is 133868.

868331 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868331 - 2² = 868327 is a prime.

It is a super-2 number, since 2×868331² = 1507997451122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 868294 and 868303.

It is not a weakly prime, because it can be changed into another prime (868337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434165 + 434166.

It is an arithmetic number, because the mean of its divisors is an integer number (434166).

2⁸⁶⁸³³¹ is an apocalyptic number.

868331 is a deficient number, since it is larger than the sum of its proper divisors (1).

868331 is an equidigital number, since it uses as much as digits as its factorization.

868331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 868331 is about 931.8427979010. The cubic root of 868331 is about 95.4029422448.

The spelling of 868331 in words is "eight hundred sixty-eight thousand, three hundred thirty-one".