238875805 has 16 divisors (see below), whose sum is σ = 329503104. Its totient is φ = 162849600.

The previous prime is 238875797. The next prime is 238875829. The reversal of 238875805 is 508578832.

It is not a de Polignac number, because 238875805 - 2³ = 238875797 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 13671 + ... + 25780.

It is an arithmetic number, because the mean of its divisors is an integer number (20593944).

Almost surely, 2^238875805 is an apocalyptic number.

It is an amenable number.

238875805 is a deficient number, since it is larger than the sum of its proper divisors (90627299).

238875805 is a wasteful number, since it uses less digits than its factorization.

238875805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39636.

The product of its (nonzero) digits is 537600, while the sum is 46.

The square root of 238875805 is about 15455.6075584236. The cubic root of 238875805 is about 620.4746668566.

It can be divided in two parts, 23887 and 5805, that added together give a palindrome (29692).

The spelling of 238875805 in words is "two hundred thirty-eight million, eight hundred seventy-five thousand, eight hundred five".