238158 has 24 divisors (see below), whose sum is σ = 525096. Its totient is φ = 78000.

The previous prime is 238157. The next prime is 238159. The reversal of 238158 is 851832.

It is a happy number.

238158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (238157) and next prime (238159).

Its product of digits (1920) is a multiple of the sum of its prime factors (240).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1753 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (21879).

2²³⁸¹⁵⁸ is an apocalyptic number.

238158 is an abundant number, since it is smaller than the sum of its proper divisors (286938).

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

238158 is a wasteful number, since it uses less digits than its factorization.

238158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 237 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 238158 is about 488.0143440515. The cubic root of 238158 is about 61.9852549049.

The spelling of 238158 in words is "two hundred thirty-eight thousand, one hundred fifty-eight".