238279 has 4 divisors (see below), whose sum is σ = 250840. Its totient is φ = 225720.

The previous prime is 238267. The next prime is 238291. The reversal of 238279 is 972832.

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

It is an interprime number because it is at equal distance from previous prime (238267) and next prime (238291).

It is not a de Polignac number, because 238279 - 2⁵ = 238247 is a prime.

It is a Duffinian number.

238279 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 238279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238229) 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, 6252 + ... + 6289.

It is an arithmetic number, because the mean of its divisors is an integer number (62710).

2²³⁸²⁷⁹ is an apocalyptic number.

238279 is a deficient number, since it is larger than the sum of its proper divisors (12561).

238279 is a wasteful number, since it uses less digits than its factorization.

238279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12560.

The product of its digits is 6048, while the sum is 31.

The square root of 238279 is about 488.1383000749. The cubic root of 238279 is about 61.9957506626.

The spelling of 238279 in words is "two hundred thirty-eight thousand, two hundred seventy-nine".