238891116 has 24 divisors (see below), whose sum is σ = 557819584. Its totient is φ = 79572240.

The previous prime is 238891111. The next prime is 238891127. The reversal of 238891116 is 611198832.

238891116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (238891111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11871 + ... + 24873.

Almost surely, 2^238891116 is an apocalyptic number.

It is an amenable number.

238891116 is an abundant number, since it is smaller than the sum of its proper divisors (318928468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238891116 is a wasteful number, since it uses less digits than its factorization.

238891116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14541 (or 14539 counting only the distinct ones).

The product of its digits is 20736, while the sum is 39.

The square root of 238891116 is about 15456.1028723285. The cubic root of 238891116 is about 620.4879232356.

The spelling of 238891116 in words is "two hundred thirty-eight million, eight hundred ninety-one thousand, one hundred sixteen".