238338887 has 2 divisors, whose sum is σ = 238338888. Its totient is φ = 238338886.

The previous prime is 238338883. The next prime is 238338913. The reversal of 238338887 is 788833832.

238338887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 238338887 - 2² = 238338883 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238338883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119169443 + 119169444.

It is an arithmetic number, because the mean of its divisors is an integer number (119169444).

Almost surely, 2^238338887 is an apocalyptic number.

238338887 is a deficient number, since it is larger than the sum of its proper divisors (1).

238338887 is an equidigital number, since it uses as much as digits as its factorization.

238338887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 50.

The square root of 238338887 is about 15438.2281042871. The cubic root of 238338887 is about 620.0094405430.

The spelling of 238338887 in words is "two hundred thirty-eight million, three hundred thirty-eight thousand, eight hundred eighty-seven".