238975775 has 12 divisors (see below), whose sum is σ = 297840312. Its totient is φ = 190206240.

The previous prime is 238975753. The next prime is 238975843. The reversal of 238975775 is 577579832.

It is not a de Polignac number, because 238975775 - 2¹⁰ = 238974751 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19337 + ... + 29186.

It is an arithmetic number, because the mean of its divisors is an integer number (24820026).

Almost surely, 2^238975775 is an apocalyptic number.

238975775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

238975775 is a deficient number, since it is larger than the sum of its proper divisors (58864537).

238975775 is a wasteful number, since it uses less digits than its factorization.

238975775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48730 (or 48725 counting only the distinct ones).

The product of its digits is 3704400, while the sum is 53.

The square root of 238975775 is about 15458.8413213928. The cubic root of 238975775 is about 620.5612114125.

It can be divided in two parts, 2389757 and 75, that added together give a palindrome (2389832).

The spelling of 238975775 in words is "two hundred thirty-eight million, nine hundred seventy-five thousand, seven hundred seventy-five".