3928885748 has 12 divisors (see below), whose sum is σ = 7035446880. Its totient is φ = 1918758072.

The previous prime is 3928885747. The next prime is 3928885801. The reversal of 3928885748 is 8475888293.

It is a happy number.

3928885748 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 2×3928885748² = 30872286441675039008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928885747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11421008 + ... + 11421351.

It is an arithmetic number, because the mean of its divisors is an integer number (586287240).

Almost surely, 2^3928885748 is an apocalyptic number.

It is an amenable number.

3928885748 is a deficient number, since it is larger than the sum of its proper divisors (3106561132).

3928885748 is a wasteful number, since it uses less digits than its factorization.

3928885748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22842406 (or 22842404 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 62.

The square root of 3928885748 is about 62680.8244042785. The cubic root of 3928885748 is about 1577.9375091380.

The spelling of 3928885748 in words is "three billion, nine hundred twenty-eight million, eight hundred eighty-five thousand, seven hundred forty-eight".