3979444728 has 256 divisors, whose sum is σ = 13001472000. Its totient is φ = 987807744.

The previous prime is 3979444727. The next prime is 3979444747. The reversal of 3979444728 is 8274449793.

3979444728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979444723) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1903908 + ... + 1905996.

It is an arithmetic number, because the mean of its divisors is an integer number (50787000).

Almost surely, 2^3979444728 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 3979444728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6500736000).

3979444728 is an abundant number, since it is smaller than the sum of its proper divisors (9022027272).

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

3979444728 is a wasteful number, since it uses less digits than its factorization.

3979444728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2174 (or 2170 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 57.

The square root of 3979444728 is about 63082.8402023878. The cubic root of 3979444728 is about 1584.6772592350.

The spelling of 3979444728 in words is "three billion, nine hundred seventy-nine million, four hundred forty-four thousand, seven hundred twenty-eight".