864317 has 4 divisors (see below), whose sum is σ = 901920. Its totient is φ = 826716.

The previous prime is 864307. The next prime is 864319. The reversal of 864317 is 713468.

864317 is nontrivially palindromic in base 16.

864317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 864317 - 2⁴ = 864301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 864317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864319) 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, 18767 + ... + 18812.

It is an arithmetic number, because the mean of its divisors is an integer number (225480).

2⁸⁶⁴³¹⁷ is an apocalyptic number.

It is an amenable number.

864317 is a deficient number, since it is larger than the sum of its proper divisors (37603).

864317 is a wasteful number, since it uses less digits than its factorization.

864317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37602.

The product of its digits is 4032, while the sum is 29.

The square root of 864317 is about 929.6865063020. The cubic root of 864317 is about 95.2557099839.

The spelling of 864317 in words is "eight hundred sixty-four thousand, three hundred seventeen".