864233 has 4 divisors (see below), whose sum is σ = 877200. Its totient is φ = 851268.

The previous prime is 864223. The next prime is 864251. The reversal of 864233 is 332468.

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 864233 - 2⁶ = 864169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (864203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6383 + ... + 6516.

It is an arithmetic number, because the mean of its divisors is an integer number (219300).

2⁸⁶⁴²³³ is an apocalyptic number.

It is an amenable number.

864233 is a deficient number, since it is larger than the sum of its proper divisors (12967).

864233 is a wasteful number, since it uses less digits than its factorization.

864233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12966.

The product of its digits is 3456, while the sum is 26.

The square root of 864233 is about 929.6413286854. The cubic root of 864233 is about 95.2526240256.

The spelling of 864233 in words is "eight hundred sixty-four thousand, two hundred thirty-three".