238772163 has 32 divisors (see below), whose sum is σ = 374026752. Its totient is φ = 132652800.

The previous prime is 238772161. The next prime is 238772203. The reversal of 238772163 is 361277832.

It is not a de Polignac number, because 238772163 - 2¹ = 238772161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238772161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253273 + ... + 254213.

It is an arithmetic number, because the mean of its divisors is an integer number (11688336).

Almost surely, 2^238772163 is an apocalyptic number.

238772163 is a deficient number, since it is larger than the sum of its proper divisors (135254589).

238772163 is a wasteful number, since it uses less digits than its factorization.

238772163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275.

The product of its digits is 84672, while the sum is 39.

The square root of 238772163 is about 15452.2543015574. The cubic root of 238772163 is about 620.3849179344.

The spelling of 238772163 in words is "two hundred thirty-eight million, seven hundred seventy-two thousand, one hundred sixty-three".