238173 has 16 divisors (see below), whose sum is σ = 354816. Its totient is φ = 141120.

The previous prime is 238171. The next prime is 238181. The reversal of 238173 is 371832.

It is not a de Polignac number, because 238173 - 2¹ = 238171 is a prime.

It is a Curzon number.

238173 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238171) 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, 1111 + ... + 1307.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2²³⁸¹⁷³ is an apocalyptic number.

It is an amenable number.

238173 is a deficient number, since it is larger than the sum of its proper divisors (116643).

238173 is a wasteful number, since it uses less digits than its factorization.

238173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244.

The product of its digits is 1008, while the sum is 24.

The square root of 238173 is about 488.0297122102. The cubic root of 238173 is about 61.9865562249.

The spelling of 238173 in words is "two hundred thirty-eight thousand, one hundred seventy-three".