238956242 has 12 divisors (see below), whose sum is σ = 416954430. Its totient is φ = 102409776.

The previous prime is 238956239. The next prime is 238956247. The reversal of 238956242 is 242659832.

It can be written as a sum of positive squares in only one way, i.e., 150577441 + 88378801 = 12271^2 + 9401^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 238956242.

It is not an unprimeable number, because it can be changed into a prime (238956247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1219067 + ... + 1219262.

Almost surely, 2^238956242 is an apocalyptic number.

238956242 is a deficient number, since it is larger than the sum of its proper divisors (177998188).

238956242 is a wasteful number, since it uses less digits than its factorization.

238956242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2438345 (or 2438338 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 238956242 is about 15458.2095340955. The cubic root of 238956242 is about 620.5443034889.

The spelling of 238956242 in words is "two hundred thirty-eight million, nine hundred fifty-six thousand, two hundred forty-two".