238933 has 4 divisors (see below), whose sum is σ = 239980. Its totient is φ = 237888.

The previous prime is 238921. The next prime is 238939. The reversal of 238933 is 339832.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 47089 + 191844 = 217^2 + 438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238933 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a nialpdrome in base 4 and base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238939) 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, 18 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (59995).

2²³⁸⁹³³ is an apocalyptic number.

It is an amenable number.

238933 is a deficient number, since it is larger than the sum of its proper divisors (1047).

238933 is an equidigital number, since it uses as much as digits as its factorization.

238933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its digits is 3888, while the sum is 28.

The square root of 238933 is about 488.8077331631. The cubic root of 238933 is about 62.0524183824.

The spelling of 238933 in words is "two hundred thirty-eight thousand, nine hundred thirty-three".