3839745872 has 20 divisors (see below), whose sum is σ = 7831061280. Its totient is φ = 1818826848.

The previous prime is 3839745859. The next prime is 3839745883. The reversal of 3839745872 is 2785479383.

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 3 ways as a sum of consecutive naturals, for example, 6315068 + ... + 6315675.

It is an arithmetic number, because the mean of its divisors is an integer number (391553064).

Almost surely, 2^3839745872 is an apocalyptic number.

It is an amenable number.

3839745872 is an abundant number, since it is smaller than the sum of its proper divisors (3991315408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3839745872 is a wasteful number, since it uses less digits than its factorization.

3839745872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12630770 (or 12630764 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 56.

The square root of 3839745872 is about 61965.6830189097. The cubic root of 3839745872 is about 1565.9125113484.

The spelling of 3839745872 in words is "three billion, eight hundred thirty-nine million, seven hundred forty-five thousand, eight hundred seventy-two".