3984591912 has 64 divisors (see below), whose sum is σ = 11395399680. Its totient is φ = 1137369792.

The previous prime is 3984591889. The next prime is 3984591917. The reversal of 3984591912 is 2191954893.

It is not an unprimeable number, because it can be changed into a prime (3984591917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174553 + ... + 196055.

It is an arithmetic number, because the mean of its divisors is an integer number (178053120).

Almost surely, 2^3984591912 is an apocalyptic number.

It is an amenable number.

3984591912 is an abundant number, since it is smaller than the sum of its proper divisors (7410807768).

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

3984591912 is a wasteful number, since it uses less digits than its factorization.

3984591912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22622 (or 22618 counting only the distinct ones).

The product of its digits is 699840, while the sum is 51.

The square root of 3984591912 is about 63123.6240404494. The cubic root of 3984591912 is about 1585.3601946533.

The spelling of 3984591912 in words is "three billion, nine hundred eighty-four million, five hundred ninety-one thousand, nine hundred twelve".