238968799 has 2 divisors, whose sum is σ = 238968800. Its totient is φ = 238968798.

The previous prime is 238968773. The next prime is 238968809. The reversal of 238968799 is 997869832.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238968799 - 2⁵ = 238968767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238968199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119484399 + 119484400.

It is an arithmetic number, because the mean of its divisors is an integer number (119484400).

Almost surely, 2^238968799 is an apocalyptic number.

238968799 is a deficient number, since it is larger than the sum of its proper divisors (1).

238968799 is an equidigital number, since it uses as much as digits as its factorization.

238968799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11757312, while the sum is 61.

The square root of 238968799 is about 15458.6156883467. The cubic root of 238968799 is about 620.5551730360. Note that the first 3 decimals are identical.

The spelling of 238968799 in words is "two hundred thirty-eight million, nine hundred sixty-eight thousand, seven hundred ninety-nine".