3821944 has 32 divisors (see below), whose sum is σ = 8265600. Its totient is φ = 1622880.

The previous prime is 3821929. The next prime is 3821947. The reversal of 3821944 is 4491283.

3821944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821947) 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, 7539 + ... + 8029.

It is an arithmetic number, because the mean of its divisors is an integer number (258300).

Almost surely, 2^3821944 is an apocalyptic number.

It is an amenable number.

3821944 is an abundant number, since it is smaller than the sum of its proper divisors (4443656).

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

3821944 is a wasteful number, since it uses less digits than its factorization.

3821944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 3821944 is about 1954.9792837777. The cubic root of 3821944 is about 156.3488794930.

The spelling of 3821944 in words is "three million, eight hundred twenty-one thousand, nine hundred forty-four".