238816 has 24 divisors (see below), whose sum is σ = 498960. Its totient is φ = 112128.

The previous prime is 238801. The next prime is 238829. The reversal of 238816 is 618832.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325 + ... + 763.

It is an arithmetic number, because the mean of its divisors is an integer number (20790).

2²³⁸⁸¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 238816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249480).

238816 is an abundant number, since it is smaller than the sum of its proper divisors (260144).

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

238816 is a wasteful number, since it uses less digits than its factorization.

238816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 458 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 238816 is about 488.6880395508. The cubic root of 238816 is about 62.0422881809.

The spelling of 238816 in words is "two hundred thirty-eight thousand, eight hundred sixteen".