868459 has 2 divisors, whose sum is σ = 868460. Its totient is φ = 868458.

The previous prime is 868453. The next prime is 868487. The reversal of 868459 is 954868.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 868459 - 2³ = 868451 is a prime.

It is not a weakly prime, because it can be changed into another prime (868451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434229 + 434230.

It is an arithmetic number, because the mean of its divisors is an integer number (434230).

2⁸⁶⁸⁴⁵⁹ is an apocalyptic number.

868459 is a deficient number, since it is larger than the sum of its proper divisors (1).

868459 is an equidigital number, since it uses as much as digits as its factorization.

868459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 40.

The square root of 868459 is about 931.9114764826. The cubic root of 868459 is about 95.4076297724.

The spelling of 868459 in words is "eight hundred sixty-eight thousand, four hundred fifty-nine".