238333775 has 6 divisors (see below), whose sum is σ = 295533912. Its totient is φ = 190667000.

The previous prime is 238333747. The next prime is 238333783. The reversal of 238333775 is 577333832.

It is not a de Polignac number, because 238333775 - 2⁸ = 238333519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4766651 + ... + 4766700.

It is an arithmetic number, because the mean of its divisors is an integer number (49255652).

Almost surely, 2^238333775 is an apocalyptic number.

238333775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238333775 is a deficient number, since it is larger than the sum of its proper divisors (57200137).

238333775 is an equidigital number, since it uses as much as digits as its factorization.

238333775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9533361 (or 9533356 counting only the distinct ones).

The product of its digits is 317520, while the sum is 41.

The square root of 238333775 is about 15438.0625403578. The cubic root of 238333775 is about 620.0050077639.

The spelling of 238333775 in words is "two hundred thirty-eight million, three hundred thirty-three thousand, seven hundred seventy-five".