864330 has 32 divisors (see below), whose sum is σ = 2121984. Its totient is φ = 225216.

The previous prime is 864323. The next prime is 864341. The reversal of 864330 is 33468.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 864330.

It is an unprimeable number.

864330 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, 1104 + ... + 1716.

It is an arithmetic number, because the mean of its divisors is an integer number (66312).

2⁸⁶⁴³³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 864330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060992).

864330 is an abundant number, since it is smaller than the sum of its proper divisors (1257654).

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

864330 is a wasteful number, since it uses less digits than its factorization.

864330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 864330 is about 929.6934978798. The cubic root of 864330 is about 95.2561875549.

Adding to 864330 its reverse (33468), we get a palindrome (897798).

The spelling of 864330 in words is "eight hundred sixty-four thousand, three hundred thirty".