238536 has 24 divisors (see below), whose sum is σ = 646230. Its totient is φ = 79488.

The previous prime is 238531. The next prime is 238547. The reversal of 238536 is 635832.

238536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 152100 + 86436 = 390^2 + 294^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (238531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1585 + ... + 1728.

238536 is a Friedman number, since it can be written as 3*(5+(86/2)^3), using all its digits and the basic arithmetic operations.

2²³⁸⁵³⁶ is an apocalyptic number.

It is an amenable number.

238536 is an abundant number, since it is smaller than the sum of its proper divisors (407694).

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

238536 is a wasteful number, since it uses less digits than its factorization.

238536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325 (or 3318 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 238536 is about 488.4014741992. The cubic root of 238536 is about 62.0180315226.

The spelling of 238536 in words is "two hundred thirty-eight thousand, five hundred thirty-six".