238543398 has 24 divisors (see below), whose sum is σ = 517152168. Its totient is φ = 79467072.

The previous prime is 238543397. The next prime is 238543399. The reversal of 238543398 is 893345832.

238543398 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (238543397) and next prime (238543399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238543397) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40765 + ... + 46247.

It is an arithmetic number, because the mean of its divisors is an integer number (21548007).

Almost surely, 2^238543398 is an apocalyptic number.

238543398 is an abundant number, since it is smaller than the sum of its proper divisors (278608770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238543398 is a wasteful number, since it uses less digits than its factorization.

238543398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908 (or 7905 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 238543398 is about 15444.8502096977. The cubic root of 238543398 is about 620.1867266226.

The spelling of 238543398 in words is "two hundred thirty-eight million, five hundred forty-three thousand, three hundred ninety-eight".