238057 has 4 divisors (see below), whose sum is σ = 240516. Its totient is φ = 235600.

The previous prime is 238039. The next prime is 238079. The reversal of 238057 is 750832.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 147456 + 90601 = 384^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 238057 - 2⁷ = 237929 is a prime.

It is a super-2 number, since 2×238057² = 113342270498, which contains 22 as substring.

It is a Duffinian number.

238057 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 238057.

It is not an unprimeable number, because it can be changed into a prime (238037) 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, 1078 + ... + 1279.

It is an arithmetic number, because the mean of its divisors is an integer number (60129).

2²³⁸⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

238057 is a deficient number, since it is larger than the sum of its proper divisors (2459).

238057 is a wasteful number, since it uses less digits than its factorization.

238057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 238057 is about 487.9108525130. The cubic root of 238057 is about 61.9764912607.

Adding to 238057 its reverse (750832), we get a palindrome (988889).

The spelling of 238057 in words is "two hundred thirty-eight thousand, fifty-seven".