238885 has 4 divisors (see below), whose sum is σ = 286668. Its totient is φ = 191104.

The previous prime is 238883. The next prime is 238897. The reversal of 238885 is 588832.

It is a happy number.

238885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 125316 + 113569 = 354^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 238885 - 2¹ = 238883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238883) 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, 23884 + ... + 23893.

It is an arithmetic number, because the mean of its divisors is an integer number (71667).

2²³⁸⁸⁸⁵ is an apocalyptic number.

It is an amenable number.

238885 is a deficient number, since it is larger than the sum of its proper divisors (47783).

238885 is an equidigital number, since it uses as much as digits as its factorization.

238885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47782.

The product of its digits is 15360, while the sum is 34.

The square root of 238885 is about 488.7586316373. The cubic root of 238885 is about 62.0482628025.

The spelling of 238885 in words is "two hundred thirty-eight thousand, eight hundred eighty-five".