238891134 has 8 divisors (see below), whose sum is σ = 477782280. Its totient is φ = 79630376.

The previous prime is 238891127. The next prime is 238891139. The reversal of 238891134 is 431198832.

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

238891134 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 238891092 and 238891101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238891139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19907589 + ... + 19907600.

It is an arithmetic number, because the mean of its divisors is an integer number (59722785).

Almost surely, 2^238891134 is an apocalyptic number.

238891134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

238891134 is a wasteful number, since it uses less digits than its factorization.

238891134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39815194.

The product of its digits is 41472, while the sum is 39.

The square root of 238891134 is about 15456.1034546227. The cubic root of 238891134 is about 620.4879388198.

The spelling of 238891134 in words is "two hundred thirty-eight million, eight hundred ninety-one thousand, one hundred thirty-four".