238863 has 4 divisors (see below), whose sum is σ = 318488. Its totient is φ = 159240.

The previous prime is 238859. The next prime is 238877. The reversal of 238863 is 368832.

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

It is not a de Polignac number, because 238863 - 2² = 238859 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238863.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 39808 + ... + 39813.

It is an arithmetic number, because the mean of its divisors is an integer number (79622).

2²³⁸⁸⁶³ is an apocalyptic number.

238863 is a deficient number, since it is larger than the sum of its proper divisors (79625).

238863 is an equidigital number, since it uses as much as digits as its factorization.

238863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79624.

The product of its digits is 6912, while the sum is 30.

The square root of 238863 is about 488.7361251227. The cubic root of 238863 is about 62.0463579756.

The spelling of 238863 in words is "two hundred thirty-eight thousand, eight hundred sixty-three".