238858 has 4 divisors (see below), whose sum is σ = 358290. Its totient is φ = 119428.

The previous prime is 238853. The next prime is 238859. The reversal of 238858 is 858832.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 223729 + 15129 = 473^2 + 123^2 .

It is not an unprimeable number, because it can be changed into a prime (238853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59713 + ... + 59716.

2²³⁸⁸⁵⁸ is an apocalyptic number.

238858 is a deficient number, since it is larger than the sum of its proper divisors (119432).

238858 is a wasteful number, since it uses less digits than its factorization.

238858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119431.

The product of its digits is 15360, while the sum is 34.

The square root of 238858 is about 488.7310098613. The cubic root of 238858 is about 62.0459250441.

The spelling of 238858 in words is "two hundred thirty-eight thousand, eight hundred fifty-eight".