3989827776 has 112 divisors (see below), whose sum is σ = 11628534528. Its totient is φ = 1197235200.

The previous prime is 3989827769. The next prime is 3989827811. The reversal of 3989827776 is 6777289893.

It is a super-2 number, since 2×3989827776² = 31837451364282212352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208366 + ... + 226706.

Almost surely, 2^3989827776 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 3989827776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5814267264).

3989827776 is an abundant number, since it is smaller than the sum of its proper divisors (7638706752).

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

3989827776 is a wasteful number, since it uses less digits than its factorization.

3989827776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18470 (or 18460 counting only the distinct ones).

The product of its digits is 64012032, while the sum is 66.

The square root of 3989827776 is about 63165.0835192989. The cubic root of 3989827776 is about 1586.0542931046.

The spelling of 3989827776 in words is "three billion, nine hundred eighty-nine million, eight hundred twenty-seven thousand, seven hundred seventy-six".