238783105 has 16 divisors (see below), whose sum is σ = 330977664. Its totient is φ = 163444480.

The previous prime is 238783099. The next prime is 238783117. The reversal of 238783105 is 501387832.

It is not a de Polignac number, because 238783105 - 2¹¹ = 238781057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126757 + ... + 128626.

It is an arithmetic number, because the mean of its divisors is an integer number (20686104).

Almost surely, 2^238783105 is an apocalyptic number.

It is an amenable number.

238783105 is a deficient number, since it is larger than the sum of its proper divisors (92194559).

238783105 is a wasteful number, since it uses less digits than its factorization.

238783105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255416.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 238783105 is about 15452.6083558731. The cubic root of 238783105 is about 620.3943943994.

The spelling of 238783105 in words is "two hundred thirty-eight million, seven hundred eighty-three thousand, one hundred five".