864318 has 32 divisors (see below), whose sum is σ = 2128896. Its totient is φ = 227808.

The previous prime is 864307. The next prime is 864319. The reversal of 864318 is 813468.

It is a happy number.

864318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 864318.

It is not an unprimeable number, because it can be changed into a prime (864319) by changing a digit.

864318 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246 + ... + 1337.

It is an arithmetic number, because the mean of its divisors is an integer number (66528).

2⁸⁶⁴³¹⁸ is an apocalyptic number.

864318 is an abundant number, since it is smaller than the sum of its proper divisors (1264578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

864318 is a wasteful number, since it uses less digits than its factorization.

864318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608.

The product of its digits is 4608, while the sum is 30.

The square root of 864318 is about 929.6870441175. The cubic root of 864318 is about 95.2557467203.

The spelling of 864318 in words is "eight hundred sixty-four thousand, three hundred eighteen".