3989549712 has 80 divisors (see below), whose sum is σ = 10767310848. Its totient is φ = 1271406720.

The previous prime is 3989549693. The next prime is 3989549717. The reversal of 3989549712 is 2179459893.

It is not an unprimeable number, because it can be changed into a prime (3989549717) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 107353 + ... + 139655.

Almost surely, 2^3989549712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3989549712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5383655424).

3989549712 is an abundant number, since it is smaller than the sum of its proper divisors (6777761136).

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

3989549712 is a wasteful number, since it uses less digits than its factorization.

3989549712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32428 (or 32422 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 57.

The square root of 3989549712 is about 63162.8823914805. The cubic root of 3989549712 is about 1586.0174464977.

The spelling of 3989549712 in words is "three billion, nine hundred eighty-nine million, five hundred forty-nine thousand, seven hundred twelve".