238335738 has 8 divisors (see below), whose sum is σ = 476671488. Its totient is φ = 79445244.

The previous prime is 238335737. The next prime is 238335739. The reversal of 238335738 is 837533832.

It is an interprime number because it is at equal distance from previous prime (238335737) and next prime (238335739).

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

238335738 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 238335738.

It is not an unprimeable number, because it can be changed into a prime (238335737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19861306 + ... + 19861317.

It is an arithmetic number, because the mean of its divisors is an integer number (59583936).

Almost surely, 2^238335738 is an apocalyptic number.

238335738 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.

238335738 is a wasteful number, since it uses less digits than its factorization.

238335738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39722628.

The product of its digits is 362880, while the sum is 42.

The square root of 238335738 is about 15438.1261168576. The cubic root of 238335738 is about 620.0067099517.

The spelling of 238335738 in words is "two hundred thirty-eight million, three hundred thirty-five thousand, seven hundred thirty-eight".