238234938 has 16 divisors (see below), whose sum is σ = 491840256. Its totient is φ = 76849920.

The previous prime is 238234937. The next prime is 238234967. The reversal of 238234938 is 839432832.

It is a self number, because there is not a number n which added to its sum of digits gives 238234938.

It is not an unprimeable number, because it can be changed into a prime (238234937) 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, 640231 + ... + 640602.

It is an arithmetic number, because the mean of its divisors is an integer number (30740016).

Almost surely, 2^238234938 is an apocalyptic number.

238234938 is an abundant number, since it is smaller than the sum of its proper divisors (253605318).

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

238234938 is a wasteful number, since it uses less digits than its factorization.

238234938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280869.

The product of its digits is 248832, while the sum is 42.

The square root of 238234938 is about 15434.8611266833. The cubic root of 238234938 is about 619.9192905693.

The spelling of 238234938 in words is "two hundred thirty-eight million, two hundred thirty-four thousand, nine hundred thirty-eight".