238607399 has 2 divisors, whose sum is σ = 238607400. Its totient is φ = 238607398.

The previous prime is 238607381. The next prime is 238607401. The reversal of 238607399 is 993706832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 238607399 - 2¹² = 238603303 is a prime.

Together with 238607401, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238607599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119303699 + 119303700.

It is an arithmetic number, because the mean of its divisors is an integer number (119303700).

Almost surely, 2^238607399 is an apocalyptic number.

238607399 is a deficient number, since it is larger than the sum of its proper divisors (1).

238607399 is an equidigital number, since it uses as much as digits as its factorization.

238607399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 238607399 is about 15446.9219911282. The cubic root of 238607399 is about 620.2421868613.

The spelling of 238607399 in words is "two hundred thirty-eight million, six hundred seven thousand, three hundred ninety-nine".