868951 has 2 divisors, whose sum is σ = 868952. Its totient is φ = 868950.

The previous prime is 868943. The next prime is 868957. The reversal of 868951 is 159868.

868951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868951 - 2³ = 868943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 868951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (868957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434475 + 434476.

It is an arithmetic number, because the mean of its divisors is an integer number (434476).

2⁸⁶⁸⁹⁵¹ is an apocalyptic number.

868951 is a deficient number, since it is larger than the sum of its proper divisors (1).

868951 is an equidigital number, since it uses as much as digits as its factorization.

868951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 37.

The square root of 868951 is about 932.1754126772. The cubic root of 868951 is about 95.4256431702.

The spelling of 868951 in words is "eight hundred sixty-eight thousand, nine hundred fifty-one".