238973163 has 32 divisors (see below), whose sum is σ = 375873792. Its totient is φ = 133142400.

The previous prime is 238973129. The next prime is 238973167. The reversal of 238973163 is 361379832.

It is a happy number.

It is not a de Polignac number, because 238973163 - 2⁸ = 238972907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238973167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117828 + ... + 119838.

It is an arithmetic number, because the mean of its divisors is an integer number (11746056).

Almost surely, 2^238973163 is an apocalyptic number.

238973163 is a deficient number, since it is larger than the sum of its proper divisors (136900629).

238973163 is a wasteful number, since it uses less digits than its factorization.

238973163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315.

The product of its digits is 163296, while the sum is 42.

The square root of 238973163 is about 15458.7568387629. The cubic root of 238973163 is about 620.5589504974.

The spelling of 238973163 in words is "two hundred thirty-eight million, nine hundred seventy-three thousand, one hundred sixty-three".