238238163 has 12 divisors (see below), whose sum is σ = 359083920. Its totient is φ = 151919856.

The previous prime is 238238141. The next prime is 238238171. The reversal of 238238163 is 361832832.

It is not a de Polignac number, because 238238163 - 2⁸ = 238237907 is a prime.

It is a super-2 number, since 2×238238163² = 113514844619229138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (238238563) 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, 575248 + ... + 575661.

It is an arithmetic number, because the mean of its divisors is an integer number (29923660).

Almost surely, 2^238238163 is an apocalyptic number.

238238163 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

238238163 is a deficient number, since it is larger than the sum of its proper divisors (120845757).

238238163 is a wasteful number, since it uses less digits than its factorization.

238238163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150938 (or 1150935 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 238238163 is about 15434.9655976293. The cubic root of 238238163 is about 619.9220878509.

The spelling of 238238163 in words is "two hundred thirty-eight million, two hundred thirty-eight thousand, one hundred sixty-three".