3885085385 has 16 divisors (see below), whose sum is σ = 4816888320. Its totient is φ = 3005061120.

The previous prime is 3885085349. The next prime is 3885085403. The reversal of 3885085385 is 5835805883.

It is not a de Polignac number, because 3885085385 - 2¹⁶ = 3885019849 is a prime.

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, 167846 + ... + 189584.

It is an arithmetic number, because the mean of its divisors is an integer number (301055520).

Almost surely, 2^3885085385 is an apocalyptic number.

It is an amenable number.

3885085385 is a deficient number, since it is larger than the sum of its proper divisors (931802935).

3885085385 is a wasteful number, since it uses less digits than its factorization.

3885085385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22928.

The product of its (nonzero) digits is 4608000, while the sum is 53.

The square root of 3885085385 is about 62330.4531108190. The cubic root of 3885085385 is about 1572.0518138052.

The spelling of 3885085385 in words is "three billion, eight hundred eighty-five million, eighty-five thousand, three hundred eighty-five".