4044443 has 4 divisors (see below), whose sum is σ = 4355568. Its totient is φ = 3733320.

The previous prime is 4044437. The next prime is 4044449. The reversal of 4044443 is 3444404.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4044437) and next prime (4044449).

It is a cyclic number.

It is not a de Polignac number, because 4044443 - 2⁶ = 4044379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155543 + ... + 155568.

It is an arithmetic number, because the mean of its divisors is an integer number (1088892).

Almost surely, 2^4044443 is an apocalyptic number.

4044443 is a deficient number, since it is larger than the sum of its proper divisors (311125).

4044443 is a wasteful number, since it uses less digits than its factorization.

4044443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311124.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 4044443 is about 2011.0800580782. The cubic root of 4044443 is about 159.3258483828.

Adding to 4044443 its reverse (3444404), we get a palindrome (7488847).

The spelling of 4044443 in words is "four million, forty-four thousand, four hundred forty-three".