4444443 has 16 divisors (see below), whose sum is σ = 6656160. Its totient is φ = 2930688.

The previous prime is 4444409. The next prime is 4444469. The reversal of 4444443 is 3444444.

It is not a de Polignac number, because 4444443 - 2¹⁰ = 4443419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (4444483) 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 15 ways as a sum of consecutive naturals, for example, 1771 + ... + 3467.

It is an arithmetic number, because the mean of its divisors is an integer number (416010).

Almost surely, 2^4444443 is an apocalyptic number.

4444443 is a deficient number, since it is larger than the sum of its proper divisors (2211717).

4444443 is a wasteful number, since it uses less digits than its factorization.

4444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1797 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 4444443 is about 2108.1847641988. The cubic root of 4444443 is about 164.4141204772.

Adding to 4444443 its reverse (3444444), we get a palindrome (7888887).

Subtracting from 4444443 its reverse (3444444), we obtain a palindrome (999999).

The spelling of 4444443 in words is "four million, four hundred forty-four thousand, four hundred forty-three".