238418942 has 4 divisors (see below), whose sum is σ = 357628416. Its totient is φ = 119209470.

The previous prime is 238418909. The next prime is 238418987. The reversal of 238418942 is 249814832.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 238418942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59604734 + ... + 59604737.

It is an arithmetic number, because the mean of its divisors is an integer number (89407104).

Almost surely, 2^238418942 is an apocalyptic number.

238418942 is a deficient number, since it is larger than the sum of its proper divisors (119209474).

238418942 is a wasteful number, since it uses less digits than its factorization.

238418942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119209473.

The product of its digits is 110592, while the sum is 41.

The square root of 238418942 is about 15440.8206388132. The cubic root of 238418942 is about 620.0788505334.

The spelling of 238418942 in words is "two hundred thirty-eight million, four hundred eighteen thousand, nine hundred forty-two".