3983644 has 24 divisors (see below), whose sum is σ = 8436960. Its totient is φ = 1606656.

The previous prime is 3983641. The next prime is 3983657. The reversal of 3983644 is 4463893.

3983644 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 (3983641) 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, 3709 + ... + 4660.

It is an arithmetic number, because the mean of its divisors is an integer number (351540).

Almost surely, 2^3983644 is an apocalyptic number.

3983644 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3983644 is an abundant number, since it is smaller than the sum of its proper divisors (4453316).

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

3983644 is a wasteful number, since it uses less digits than its factorization.

3983644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8397 (or 8395 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 3983644 is about 1995.9068114519. The cubic root of 3983644 is about 158.5234468592.

Subtracting 3983644 from its reverse (4463893), we obtain a square (480249 = 693²).

The spelling of 3983644 in words is "three million, nine hundred eighty-three thousand, six hundred forty-four".