238901 has 16 divisors (see below), whose sum is σ = 290304. Its totient is φ = 194304.

The previous prime is 238897. The next prime is 238919. The reversal of 238901 is 109832.

It is not a de Polignac number, because 238901 - 2² = 238897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5060 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (18144).

2²³⁸⁹⁰¹ is an apocalyptic number.

It is an amenable number.

238901 is a deficient number, since it is larger than the sum of its proper divisors (51403).

238901 is a wasteful number, since it uses less digits than its factorization.

238901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 238901 is about 488.7749993606. The cubic root of 238901 is about 62.0496480576.

The spelling of 238901 in words is "two hundred thirty-eight thousand, nine hundred one".