238938 has 16 divisors (see below), whose sum is σ = 546240. Its totient is φ = 68256.

The previous prime is 238921. The next prime is 238939. The reversal of 238938 is 839832.

It is an Ulam number.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 238899 and 238908.

It is not an unprimeable number, because it can be changed into a prime (238939) 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, 2803 + ... + 2886.

It is an arithmetic number, because the mean of its divisors is an integer number (34140).

2²³⁸⁹³⁸ is an apocalyptic number.

238938 is an abundant number, since it is smaller than the sum of its proper divisors (307302).

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

238938 is a wasteful number, since it uses less digits than its factorization.

238938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5701.

The product of its digits is 10368, while the sum is 33.

The square root of 238938 is about 488.8128476217. The cubic root of 238938 is about 62.0528512233.

It can be divided in two parts, 238 and 938, that added together give a triangular number (1176 = T₄₈).

The spelling of 238938 in words is "two hundred thirty-eight thousand, nine hundred thirty-eight".