238806242 has 16 divisors (see below), whose sum is σ = 392360760. Its totient is φ = 108503808.

The previous prime is 238806241. The next prime is 238806257. The reversal of 238806242 is 242608832.

It can be written as a sum of positive squares in 4 ways, for example, as 168766081 + 70040161 = 12991^2 + 8369^2 .

It is not an unprimeable number, because it can be changed into a prime (238806241) 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, 120113 + ... + 122084.

Almost surely, 2^238806242 is an apocalyptic number.

238806242 is a deficient number, since it is larger than the sum of its proper divisors (153554518).

238806242 is a wasteful number, since it uses less digits than its factorization.

238806242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242245.

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 238806242 is about 15453.3569815752. The cubic root of 238806242 is about 620.4144315533.

The spelling of 238806242 in words is "two hundred thirty-eight million, eight hundred six thousand, two hundred forty-two".