238522387 has 8 divisors (see below), whose sum is σ = 245164752. Its totient is φ = 231890400.

The previous prime is 238522381. The next prime is 238522391. The reversal of 238522387 is 783225832.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 238522387 - 2¹¹ = 238520339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238522381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77712 + ... + 80722.

It is an arithmetic number, because the mean of its divisors is an integer number (30645594).

Almost surely, 2^238522387 is an apocalyptic number.

238522387 is a deficient number, since it is larger than the sum of its proper divisors (6642365).

238522387 is a wasteful number, since it uses less digits than its factorization.

238522387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189.

The product of its digits is 161280, while the sum is 40.

The square root of 238522387 is about 15444.1700003594. The cubic root of 238522387 is about 620.1685173212.

The spelling of 238522387 in words is "two hundred thirty-eight million, five hundred twenty-two thousand, three hundred eighty-seven".