3963850660 has 96 divisors (see below), whose sum is σ = 10396818432. Its totient is φ = 1233256320.

The previous prime is 3963850651. The next prime is 3963850691. The reversal of 3963850660 is 660583693.

3963850660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3963850660² = 31424224109564871200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3963850660.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 988219 + ... + 992221.

It is an arithmetic number, because the mean of its divisors is an integer number (108300192).

Almost surely, 2^3963850660 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 3963850660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5198409216).

3963850660 is an abundant number, since it is smaller than the sum of its proper divisors (6432967772).

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

3963850660 is a wasteful number, since it uses less digits than its factorization.

3963850660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673 (or 4671 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 3963850660 is about 62959.1189582573. The cubic root of 3963850660 is about 1582.6046154553.

The spelling of 3963850660 in words is "three billion, nine hundred sixty-three million, eight hundred fifty thousand, six hundred sixty".