4443340 has 48 divisors (see below), whose sum is σ = 10725120. Its totient is φ = 1529280.

The previous prime is 4443331. The next prime is 4443353. The reversal of 4443340 is 433444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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, 3649 + ... + 4711.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

Almost surely, 2^4443340 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 4443340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5362560).

4443340 is an abundant number, since it is smaller than the sum of its proper divisors (6281780).

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

4443340 is a wasteful number, since it uses less digits than its factorization.

4443340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 4443340 is about 2107.9231485042. The cubic root of 4443340 is about 164.4005181893.

Adding to 4443340 its reverse (433444), we get a palindrome (4876784).

It can be divided in two parts, 4 and 443340, that added together give a palindrome (443344).

The spelling of 4443340 in words is "four million, four hundred forty-three thousand, three hundred forty".