238875639 has 8 divisors (see below), whose sum is σ = 329483760. Its totient is φ = 153758976.

The previous prime is 238875629. The next prime is 238875647. The reversal of 238875639 is 936578832.

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

It is not a de Polignac number, because 238875639 - 2⁸ = 238875383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238875591 and 238875600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238875629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372762 + ... + 1372935.

It is an arithmetic number, because the mean of its divisors is an integer number (41185470).

Almost surely, 2^238875639 is an apocalyptic number.

238875639 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

238875639 is a deficient number, since it is larger than the sum of its proper divisors (90608121).

238875639 is a wasteful number, since it uses less digits than its factorization.

238875639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2745729.

The product of its digits is 2177280, while the sum is 51.

The square root of 238875639 is about 15455.6021882035. The cubic root of 238875639 is about 620.4745231294.

The spelling of 238875639 in words is "two hundred thirty-eight million, eight hundred seventy-five thousand, six hundred thirty-nine".