238404 has 12 divisors (see below), whose sum is σ = 556304. Its totient is φ = 79464.

The previous prime is 238397. The next prime is 238417. The reversal of 238404 is 404832.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

238404 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9922 + ... + 9945.

2²³⁸⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

238404 is an abundant number, since it is smaller than the sum of its proper divisors (317900).

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

238404 is a wasteful number, since it uses less digits than its factorization.

238404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19874 (or 19872 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 238404 is about 488.2663207718. The cubic root of 238404 is about 62.0065896569.

The spelling of 238404 in words is "two hundred thirty-eight thousand, four hundred four".