238871355 has 16 divisors (see below), whose sum is σ = 383201280. Its totient is φ = 127062368.

The previous prime is 238871351. The next prime is 238871357. The reversal of 238871355 is 553178832.

It is a cyclic number.

It is not a de Polignac number, because 238871355 - 2² = 238871351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238871351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15045 + ... + 26534.

It is an arithmetic number, because the mean of its divisors is an integer number (23950080).

Almost surely, 2^238871355 is an apocalyptic number.

238871355 is a deficient number, since it is larger than the sum of its proper divisors (144329925).

238871355 is a wasteful number, since it uses less digits than its factorization.

238871355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41970.

The product of its digits is 201600, while the sum is 42.

The square root of 238871355 is about 15455.4635970585. The cubic root of 238871355 is about 620.4708139068.

The spelling of 238871355 in words is "two hundred thirty-eight million, eight hundred seventy-one thousand, three hundred fifty-five".