3840444 has 36 divisors (see below), whose sum is σ = 9808344. Its totient is φ = 1266912.

The previous prime is 3840409. The next prime is 3840449. The reversal of 3840444 is 4440483.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3840449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3354 + ... + 4350.

It is an arithmetic number, because the mean of its divisors is an integer number (272454).

Almost surely, 2^3840444 is an apocalyptic number.

It is an amenable number.

3840444 is an abundant number, since it is smaller than the sum of its proper divisors (5967900).

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

3840444 is a wasteful number, since it uses less digits than its factorization.

3840444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114 (or 1109 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 3840444 is about 1959.7050798526. The cubic root of 3840444 is about 156.6007408351.

The spelling of 3840444 in words is "three million, eight hundred forty thousand, four hundred forty-four".