233538 has 8 divisors (see below), whose sum is σ = 467088. Its totient is φ = 77844.

The previous prime is 233509. The next prime is 233549. The reversal of 233538 is 835332.

233538 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

233538 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19456 + ... + 19467.

It is an arithmetic number, because the mean of its divisors is an integer number (58386).

2²³³⁵³⁸ is an apocalyptic number.

233538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

233538 is a wasteful number, since it uses less digits than its factorization.

233538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38928.

The product of its digits is 2160, while the sum is 24.

The square root of 233538 is about 483.2576952310. The cubic root of 233538 is about 61.5818198444.

It can be divided in two parts, 2 and 33538, that multiplied together give a palindrome (67076).

The spelling of 233538 in words is "two hundred thirty-three thousand, five hundred thirty-eight".