3856944 has 80 divisors (see below), whose sum is σ = 12276992. Its totient is φ = 1016064.

The previous prime is 3856921. The next prime is 3856949. The reversal of 3856944 is 4496583.

3856944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3856949) 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 15 ways as a sum of consecutive naturals, for example, 3927 + ... + 4809.

Almost surely, 2^3856944 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 3856944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6138496).

3856944 is an abundant number, since it is smaller than the sum of its proper divisors (8420048).

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

3856944 is a wasteful number, since it uses less digits than its factorization.

3856944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 908 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 3856944 is about 1963.9103849209. The cubic root of 3856944 is about 156.8246924184.

The spelling of 3856944 in words is "three million, eight hundred fifty-six thousand, nine hundred forty-four".