868495 has 4 divisors (see below), whose sum is σ = 1042200. Its totient is φ = 694792.

The previous prime is 868493. The next prime is 868529. The reversal of 868495 is 594868.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 868495 - 2¹ = 868493 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (868493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86845 + ... + 86854.

It is an arithmetic number, because the mean of its divisors is an integer number (260550).

2⁸⁶⁸⁴⁹⁵ is an apocalyptic number.

868495 is a deficient number, since it is larger than the sum of its proper divisors (173705).

868495 is a wasteful number, since it uses less digits than its factorization.

868495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173704.

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

The square root of 868495 is about 931.9307914218. The cubic root of 868495 is about 95.4089480566.

The spelling of 868495 in words is "eight hundred sixty-eight thousand, four hundred ninety-five".