238607999 has 6 divisors (see below), whose sum is σ = 277564464. Its totient is φ = 204521100.

The previous prime is 238607983. The next prime is 238608037. The reversal of 238607999 is 999706832.

It is not a de Polignac number, because 238607999 - 2⁴ = 238607983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 238607999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238607399) 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 in 5 ways as a sum of consecutive naturals, for example, 2434727 + ... + 2434824.

It is an arithmetic number, because the mean of its divisors is an integer number (46260744).

Almost surely, 2^238607999 is an apocalyptic number.

238607999 is a deficient number, since it is larger than the sum of its proper divisors (38956465).

238607999 is an equidigital number, since it uses as much as digits as its factorization.

238607999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869565 (or 4869558 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 53.

The square root of 238607999 is about 15446.9414124609. The cubic root of 238607999 is about 620.2427067460.

The spelling of 238607999 in words is "two hundred thirty-eight million, six hundred seven thousand, nine hundred ninety-nine".