3968888652 has 48 divisors (see below), whose sum is σ = 10298090880. Its totient is φ = 1321885584.

The previous prime is 3968888617. The next prime is 3968888653. The reversal of 3968888652 is 2568888693.

3968888652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3968888652.

It is not an unprimeable number, because it can be changed into a prime (3968888653) 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, 124243 + ... + 152885.

It is an arithmetic number, because the mean of its divisors is an integer number (214543560).

Almost surely, 2^3968888652 is an apocalyptic number.

It is an amenable number.

3968888652 is an abundant number, since it is smaller than the sum of its proper divisors (6329202228).

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

3968888652 is a wasteful number, since it uses less digits than its factorization.

3968888652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29939 (or 29931 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The square root of 3968888652 is about 62999.1162795162. The cubic root of 3968888652 is about 1583.2748201411.

The spelling of 3968888652 in words is "three billion, nine hundred sixty-eight million, eight hundred eighty-eight thousand, six hundred fifty-two".