238306242 has 8 divisors (see below), whose sum is σ = 476612496. Its totient is φ = 79435412.

The previous prime is 238306241. The next prime is 238306247. The reversal of 238306242 is 242603832.

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

238306242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (238306241) 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, 19858848 + ... + 19858859.

It is an arithmetic number, because the mean of its divisors is an integer number (59576562).

Almost surely, 2^238306242 is an apocalyptic number.

238306242 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.

238306242 is a wasteful number, since it uses less digits than its factorization.

238306242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39717712.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 238306242 is about 15437.1707900120. The cubic root of 238306242 is about 619.9811319267.

The spelling of 238306242 in words is "two hundred thirty-eight million, three hundred six thousand, two hundred forty-two".