238867199 has 2 divisors, whose sum is σ = 238867200. Its totient is φ = 238867198.

The previous prime is 238867177. The next prime is 238867243. The reversal of 238867199 is 991768832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238867199 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 238867199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238867129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119433599 + 119433600.

It is an arithmetic number, because the mean of its divisors is an integer number (119433600).

Almost surely, 2^238867199 is an apocalyptic number.

238867199 is a deficient number, since it is larger than the sum of its proper divisors (1).

238867199 is an equidigital number, since it uses as much as digits as its factorization.

238867199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 53.

The square root of 238867199 is about 15455.3291456378. The cubic root of 238867199 is about 620.4672154683.

The spelling of 238867199 in words is "two hundred thirty-eight million, eight hundred sixty-seven thousand, one hundred ninety-nine".