238271839 has 16 divisors (see below), whose sum is σ = 260324064. Its totient is φ = 216777600.

The previous prime is 238271807. The next prime is 238271843. The reversal of 238271839 is 938172832.

It is not a de Polignac number, because 238271839 - 2⁵ = 238271807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238271795 and 238271804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238271849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307857 + ... + 308629.

It is an arithmetic number, because the mean of its divisors is an integer number (16270254).

Almost surely, 2^238271839 is an apocalyptic number.

238271839 is a deficient number, since it is larger than the sum of its proper divisors (22052225).

238271839 is a wasteful number, since it uses less digits than its factorization.

238271839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098.

The product of its digits is 145152, while the sum is 43.

The square root of 238271839 is about 15436.0564588239. The cubic root of 238271839 is about 619.9512960354.

The spelling of 238271839 in words is "two hundred thirty-eight million, two hundred seventy-one thousand, eight hundred thirty-nine".