859233 has 4 divisors (see below), whose sum is σ = 1145648. Its totient is φ = 572820.

The previous prime is 859223. The next prime is 859249. The reversal of 859233 is 332958.

It is a happy number.

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 not a de Polignac number, because 859233 - 2¹³ = 851041 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 859233.

It is not an unprimeable number, because it can be changed into a prime (859213) 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, 143203 + ... + 143208.

It is an arithmetic number, because the mean of its divisors is an integer number (286412).

2⁸⁵⁹²³³ is an apocalyptic number.

It is an amenable number.

859233 is a deficient number, since it is larger than the sum of its proper divisors (286415).

859233 is a wasteful number, since it uses less digits than its factorization.

859233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286414.

The product of its digits is 6480, while the sum is 30.

The square root of 859233 is about 926.9482186185. The cubic root of 859233 is about 95.0685746803.

The spelling of 859233 in words is "eight hundred fifty-nine thousand, two hundred thirty-three".