238808113 has 2 divisors, whose sum is σ = 238808114. Its totient is φ = 238808112.

The previous prime is 238808051. The next prime is 238808173. The reversal of 238808113 is 311808832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236144689 + 2663424 = 15367^2 + 1632^2 .

It is a cyclic number.

It is not a de Polignac number, because 238808113 - 2¹³ = 238799921 is a prime.

It is not a weakly prime, because it can be changed into another prime (238808173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119404056 + 119404057.

It is an arithmetic number, because the mean of its divisors is an integer number (119404057).

Almost surely, 2^238808113 is an apocalyptic number.

It is an amenable number.

238808113 is a deficient number, since it is larger than the sum of its proper divisors (1).

238808113 is an equidigital number, since it uses as much as digits as its factorization.

238808113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 238808113 is about 15453.4175184650. The cubic root of 238808113 is about 620.4160518242.

The spelling of 238808113 in words is "two hundred thirty-eight million, eight hundred eight thousand, one hundred thirteen".