3960003649 has 12 divisors (see below), whose sum is σ = 4616179200. Its totient is φ = 3387182568.

The previous prime is 3960003589. The next prime is 3960003661. The reversal of 3960003649 is 9463000693.

3960003649 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3960003649 - 2⁷ = 3960003521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3960003049) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 60889 + ... + 107830.

It is an arithmetic number, because the mean of its divisors is an integer number (384681600).

Almost surely, 2^3960003649 is an apocalyptic number.

It is an amenable number.

3960003649 is a deficient number, since it is larger than the sum of its proper divisors (656175551).

3960003649 is a wasteful number, since it uses less digits than its factorization.

3960003649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169212 (or 169205 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 3960003649 is about 62928.5598834106. The cubic root of 3960003649 is about 1582.0924646402.

The spelling of 3960003649 in words is "three billion, nine hundred sixty million, three thousand, six hundred forty-nine".