238979 has 8 divisors (see below), whose sum is σ = 266112. Its totient is φ = 213120.

The previous prime is 238967. The next prime is 238991. The reversal of 238979 is 979832.

238979 is nontrivially palindromic in base 12.

238979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (238967) and next prime (238991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238979 - 2⁸ = 238723 is a prime.

It is a super-2 number, since 2×238979² = 114221924882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107 + ... + 699.

It is an arithmetic number, because the mean of its divisors is an integer number (33264).

2²³⁸⁹⁷⁹ is an apocalyptic number.

238979 is a deficient number, since it is larger than the sum of its proper divisors (27133).

238979 is a wasteful number, since it uses less digits than its factorization.

238979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637.

The product of its digits is 27216, while the sum is 38.

The square root of 238979 is about 488.8547841640. The cubic root of 238979 is about 62.0564002910.

The spelling of 238979 in words is "two hundred thirty-eight thousand, nine hundred seventy-nine".