3881072 has 40 divisors (see below), whose sum is σ = 8291136. Its totient is φ = 1748736.

The previous prime is 3881071. The next prime is 3881077. The reversal of 3881072 is 2701883.

3881072 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 (3881071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9578 + ... + 9974.

Almost surely, 2^3881072 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 3881072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4145568).

3881072 is an abundant number, since it is smaller than the sum of its proper divisors (4410064).

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

3881072 is a wasteful number, since it uses less digits than its factorization.

3881072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 3881072 is about 1970.0436543387. The cubic root of 3881072 is about 157.1510305076.

The spelling of 3881072 in words is "three million, eight hundred eighty-one thousand, seventy-two".