238915 has 8 divisors (see below), whose sum is σ = 291168. Its totient is φ = 188160.

The previous prime is 238897. The next prime is 238919. The reversal of 238915 is 519832.

238915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 238915 - 2⁵ = 238883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (36396).

2²³⁸⁹¹⁵ is an apocalyptic number.

238915 is a deficient number, since it is larger than the sum of its proper divisors (52253).

238915 is an equidigital number, since it uses as much as digits as its factorization.

238915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its digits is 2160, while the sum is 28.

The square root of 238915 is about 488.7893206689. The cubic root of 238915 is about 62.0508601052.

The spelling of 238915 in words is "two hundred thirty-eight thousand, nine hundred fifteen".