289233 has 12 divisors (see below), whose sum is σ = 477568. Its totient is φ = 165240.

The previous prime is 289213. The next prime is 289241. The reversal of 289233 is 332982.

It is not a de Polignac number, because 289233 - 2⁶ = 289169 is a prime.

It is a Curzon number.

289233 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 289197 and 289206.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289233.

It is not an unprimeable number, because it can be changed into a prime (289213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2233 + ... + 2358.

2²⁸⁹²³³ is an apocalyptic number.

It is an amenable number.

289233 is a deficient number, since it is larger than the sum of its proper divisors (188335).

289233 is a wasteful number, since it uses less digits than its factorization.

289233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604 (or 4601 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 289233 is about 537.8038675949. The cubic root of 289233 is about 66.1326533119.

It can be divided in two parts, 28 and 9233, that added together give a cube (9261 = 21³).

The spelling of 289233 in words is "two hundred eighty-nine thousand, two hundred thirty-three".