238841979 has 4 divisors (see below), whose sum is σ = 318455976. Its totient is φ = 159227984.

The previous prime is 238841969. The next prime is 238842001. The reversal of 238841979 is 979148832.

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

It is a cyclic number.

It is not a de Polignac number, because 238841979 - 2⁴ = 238841963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238841969) 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, 39806994 + ... + 39806999.

It is an arithmetic number, because the mean of its divisors is an integer number (79613994).

Almost surely, 2^238841979 is an apocalyptic number.

238841979 is a deficient number, since it is larger than the sum of its proper divisors (79613997).

238841979 is an equidigital number, since it uses as much as digits as its factorization.

238841979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79613996.

The product of its digits is 870912, while the sum is 51.

The square root of 238841979 is about 15454.5132242979. The cubic root of 238841979 is about 620.4453780429.

The spelling of 238841979 in words is "two hundred thirty-eight million, eight hundred forty-one thousand, nine hundred seventy-nine".