868365 has 24 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 442464.

The previous prime is 868349. The next prime is 868369. The reversal of 868365 is 563868.

It is not a de Polignac number, because 868365 - 2⁴ = 868349 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 868365.

It is not an unprimeable number, because it can be changed into a prime (868369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616 + ... + 1454.

It is an arithmetic number, because the mean of its divisors is an integer number (65520).

2⁸⁶⁸³⁶⁵ is an apocalyptic number.

It is an amenable number.

868365 is a deficient number, since it is larger than the sum of its proper divisors (704115).

868365 is a wasteful number, since it uses less digits than its factorization.

868365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 870 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 868365 is about 931.8610411429. The cubic root of 868365 is about 95.4041874143.

The spelling of 868365 in words is "eight hundred sixty-eight thousand, three hundred sixty-five".