3941768856 has 64 divisors (see below), whose sum is σ = 10259445600. Its totient is φ = 1260499968.

The previous prime is 3941768851. The next prime is 3941768891. The reversal of 3941768856 is 6588671493.

It is a junction number, because it is equal to n+sod(n) for n = 3941768796 and 3941768805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3941768851) 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, 91236 + ... + 127308.

Almost surely, 2^3941768856 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 3941768856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5129722800).

3941768856 is an abundant number, since it is smaller than the sum of its proper divisors (6317676744).

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

3941768856 is a wasteful number, since it uses less digits than its factorization.

3941768856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36268 (or 36264 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 3941768856 is about 62783.5078344624. The cubic root of 3941768856 is about 1579.6603521377.

The spelling of 3941768856 in words is "three billion, nine hundred forty-one million, seven hundred sixty-eight thousand, eight hundred fifty-six".