4443885 has 48 divisors (see below), whose sum is σ = 8429616. Its totient is φ = 2156544.

The previous prime is 4443877. The next prime is 4443889. The reversal of 4443885 is 5883444.

It can be written as a sum of positive squares in 8 ways, for example, as 171396 + 4272489 = 414^2 + 2067^2 .

It is not a de Polignac number, because 4443885 - 2³ = 4443877 is a prime.

It is a super-2 number, since 2×4443885² = 39496227786450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4443889) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28227 + ... + 28383.

It is an arithmetic number, because the mean of its divisors is an integer number (175617).

Almost surely, 2^4443885 is an apocalyptic number.

4443885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4443885 is a deficient number, since it is larger than the sum of its proper divisors (3985731).

4443885 is a wasteful number, since it uses less digits than its factorization.

4443885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 219 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 4443885 is about 2108.0524187031. The cubic root of 4443885 is about 164.4072394560.

The spelling of 4443885 in words is "four million, four hundred forty-three thousand, eight hundred eighty-five".