3928942976 has 128 divisors (see below), whose sum is σ = 9485967360. Its totient is φ = 1585059840.

The previous prime is 3928942973. The next prime is 3928943017. The reversal of 3928942976 is 6792498293.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928942973) 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, 1025801 + ... + 1029623.

It is an arithmetic number, because the mean of its divisors is an integer number (74109120).

Almost surely, 2^3928942976 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 3928942976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4742983680).

3928942976 is an abundant number, since it is smaller than the sum of its proper divisors (5557024384).

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

3928942976 is a wasteful number, since it uses less digits than its factorization.

3928942976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912 (or 3900 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 59.

The square root of 3928942976 is about 62681.2809058653. The cubic root of 3928942976 is about 1577.9451704934.

The spelling of 3928942976 in words is "three billion, nine hundred twenty-eight million, nine hundred forty-two thousand, nine hundred seventy-six".