238538 has 8 divisors (see below), whose sum is σ = 366660. Its totient is φ = 116320.

The previous prime is 238531. The next prime is 238547. The reversal of 238538 is 835832.

It can be written as a sum of positive squares in 2 ways, for example, as 237169 + 1369 = 487^2 + 37^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 238538.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1373 + ... + 1536.

2²³⁸⁵³⁸ is an apocalyptic number.

238538 is a deficient number, since it is larger than the sum of its proper divisors (128122).

238538 is a wasteful number, since it uses less digits than its factorization.

238538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952.

The product of its digits is 5760, while the sum is 29.

The square root of 238538 is about 488.4035216908. The cubic root of 238538 is about 62.0182048518.

The spelling of 238538 in words is "two hundred thirty-eight thousand, five hundred thirty-eight".