238788871 has 16 divisors (see below), whose sum is σ = 255081600. Its totient is φ = 223157088.

The previous prime is 238788859. The next prime is 238788887. The reversal of 238788871 is 178887832.

It is a happy number.

238788871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 238788871 - 2⁵ = 238788839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238788821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113596 + ... + 115678.

It is an arithmetic number, because the mean of its divisors is an integer number (15942600).

Almost surely, 2^238788871 is an apocalyptic number.

238788871 is a deficient number, since it is larger than the sum of its proper divisors (16292729).

238788871 is a wasteful number, since it uses less digits than its factorization.

238788871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its digits is 1204224, while the sum is 52.

The square root of 238788871 is about 15452.7949251907. The cubic root of 238788871 is about 620.3993880040.

The spelling of 238788871 in words is "two hundred thirty-eight million, seven hundred eighty-eight thousand, eight hundred seventy-one".