238875643 has 4 divisors (see below), whose sum is σ = 241194928. Its totient is φ = 236556360.

The previous prime is 238875629. The next prime is 238875647. The reversal of 238875643 is 346578832.

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

It is a cyclic number.

It is not a de Polignac number, because 238875643 - 2²⁵ = 205321211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 238875593 and 238875602.

It is not an unprimeable number, because it can be changed into a prime (238875647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1159488 + ... + 1159693.

It is an arithmetic number, because the mean of its divisors is an integer number (60298732).

Almost surely, 2^238875643 is an apocalyptic number.

238875643 is a deficient number, since it is larger than the sum of its proper divisors (2319285).

238875643 is a wasteful number, since it uses less digits than its factorization.

238875643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319284.

The product of its digits is 967680, while the sum is 46.

The square root of 238875643 is about 15455.6023176064. The cubic root of 238875643 is about 620.4745265927.

The spelling of 238875643 in words is "two hundred thirty-eight million, eight hundred seventy-five thousand, six hundred forty-three".