238855 has 16 divisors (see below), whose sum is σ = 313344. Its totient is φ = 174240.

The previous prime is 238853. The next prime is 238859. The reversal of 238855 is 558832.

238855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238855 - 2¹ = 238853 is a prime.

It is a super-2 number, since 2×238855² = 114103422050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

238855 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3532 + ... + 3598.

It is an arithmetic number, because the mean of its divisors is an integer number (19584).

2²³⁸⁸⁵⁵ is an apocalyptic number.

238855 is a deficient number, since it is larger than the sum of its proper divisors (74489).

238855 is a wasteful number, since it uses less digits than its factorization.

238855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126.

The product of its digits is 9600, while the sum is 31.

The square root of 238855 is about 488.7279406787. The cubic root of 238855 is about 62.0456652823.

The spelling of 238855 in words is "two hundred thirty-eight thousand, eight hundred fifty-five".