233028 has 18 divisors (see below), whose sum is σ = 589134. Its totient is φ = 77664.

The previous prime is 233021. The next prime is 233069. The reversal of 233028 is 820332.

It can be written as a sum of positive squares in only one way, i.e., 166464 + 66564 = 408^2 + 258^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 233028.

It is not an unprimeable number, because it can be changed into a prime (233021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3201 + ... + 3272.

2²³³⁰²⁸ is an apocalyptic number.

It is an amenable number.

233028 is an abundant number, since it is smaller than the sum of its proper divisors (356106).

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

233028 is a wasteful number, since it uses less digits than its factorization.

233028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6483 (or 6478 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 233028 is about 482.7297380523. The cubic root of 233028 is about 61.5369597390.

The spelling of 233028 in words is "two hundred thirty-three thousand, twenty-eight".