3849015985 has 32 divisors (see below), whose sum is σ = 4940231040. Its totient is φ = 2868784128.

The previous prime is 3849015977. The next prime is 3849016001. The reversal of 3849015985 is 5895109483.

It is a cyclic number.

It is not a de Polignac number, because 3849015985 - 2³ = 3849015977 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 31 ways as a sum of consecutive naturals, for example, 5250679 + ... + 5251411.

It is an arithmetic number, because the mean of its divisors is an integer number (154382220).

Almost surely, 2^3849015985 is an apocalyptic number.

It is an amenable number.

3849015985 is a deficient number, since it is larger than the sum of its proper divisors (1091215055).

3849015985 is a wasteful number, since it uses less digits than its factorization.

3849015985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297.

The product of its (nonzero) digits is 1555200, while the sum is 52.

The square root of 3849015985 is about 62040.4383043834. The cubic root of 3849015985 is about 1567.1716675657.

The spelling of 3849015985 in words is "three billion, eight hundred forty-nine million, fifteen thousand, nine hundred eighty-five".