238955 has 4 divisors (see below), whose sum is σ = 286752. Its totient is φ = 191160.

The previous prime is 238949. The next prime is 238967. The reversal of 238955 is 559832.

It is a happy number.

238955 is nontrivially palindromic in base 4.

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

It is not a de Polignac number, because 238955 - 2⁴ = 238939 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23891 + ... + 23900.

It is an arithmetic number, because the mean of its divisors is an integer number (71688).

2²³⁸⁹⁵⁵ is an apocalyptic number.

238955 is a deficient number, since it is larger than the sum of its proper divisors (47797).

238955 is an equidigital number, since it uses as much as digits as its factorization.

238955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47796.

The product of its digits is 10800, while the sum is 32.

The square root of 238955 is about 488.8302363807. The cubic root of 238955 is about 62.0543228372.

The spelling of 238955 in words is "two hundred thirty-eight thousand, nine hundred fifty-five".