238718382 has 16 divisors (see below), whose sum is σ = 545642112. Its totient is φ = 68205240.

The previous prime is 238718377. The next prime is 238718399. The reversal of 238718382 is 283817832.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 5683771 = 238718382 / (2 + 3 + 8 + 7 + 1 + 8 + 3 + 8 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841844 + ... + 2841927.

It is an arithmetic number, because the mean of its divisors is an integer number (34102632).

Almost surely, 2^238718382 is an apocalyptic number.

238718382 is an abundant number, since it is smaller than the sum of its proper divisors (306923730).

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

238718382 is a wasteful number, since it uses less digits than its factorization.

238718382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683783.

The product of its digits is 129024, while the sum is 42.

The square root of 238718382 is about 15450.5139720334. The cubic root of 238718382 is about 620.3383359736.

It can be divided in two parts, 2387 and 18382, that multiplied together give a palindrome (43877834).

The spelling of 238718382 in words is "two hundred thirty-eight million, seven hundred eighteen thousand, three hundred eighty-two".