3989463744 has 112 divisors (see below), whose sum is σ = 12698374400. Its totient is φ = 1079847936.

The previous prime is 3989463743. The next prime is 3989463809. The reversal of 3989463744 is 4473649893.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (3989463743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52579 + ... + 103650.

Almost surely, 2^3989463744 is an apocalyptic number.

It is an amenable number.

3989463744 is an abundant number, since it is smaller than the sum of its proper divisors (8708910656).

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

3989463744 is a wasteful number, since it uses less digits than its factorization.

3989463744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156270 (or 156260 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 57.

The square root of 3989463744 is about 63162.2018615564. The cubic root of 3989463744 is about 1586.0060544245.

The spelling of 3989463744 in words is "three billion, nine hundred eighty-nine million, four hundred sixty-three thousand, seven hundred forty-four".