3989044464 has 40 divisors (see below), whose sum is σ = 10353896832. Its totient is φ = 1323376320.

The previous prime is 3989044439. The next prime is 3989044469. The reversal of 3989044464 is 4644409893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3989044469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186804 + ... + 207059.

Almost surely, 2^3989044464 is an apocalyptic number.

It is an amenable number.

3989044464 is an abundant number, since it is smaller than the sum of its proper divisors (6364852368).

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

3989044464 is a wasteful number, since it uses less digits than its factorization.

3989044464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394085 (or 394079 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The square root of 3989044464 is about 63158.8827006938. The cubic root of 3989044464 is about 1585.9504910741.

The spelling of 3989044464 in words is "three billion, nine hundred eighty-nine million, forty-four thousand, four hundred sixty-four".