233388 has 24 divisors (see below), whose sum is σ = 605360. Its totient is φ = 77760.

The previous prime is 233371. The next prime is 233407. The reversal of 233388 is 883332.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 10.

It is an unprimeable number.

233388 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973 + ... + 1188.

2²³³³⁸⁸ is an apocalyptic number.

It is an amenable number.

233388 is an abundant number, since it is smaller than the sum of its proper divisors (371972).

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

233388 is a wasteful number, since it uses less digits than its factorization.

233388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174 (or 2166 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 233388 is about 483.1024736016. The cubic root of 233388 is about 61.5686324811.

The spelling of 233388 in words is "two hundred thirty-three thousand, three hundred eighty-eight".