2044443 has 4 divisors (see below), whose sum is σ = 2725928. Its totient is φ = 1362960.

The previous prime is 2044421. The next prime is 2044463. The reversal of 2044443 is 3444402.

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

It is not a de Polignac number, because 2044443 - 2⁵ = 2044411 is a prime.

It is a D-number.

It is a Duffinian number.

2044443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2044463) 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, 340738 + ... + 340743.

It is an arithmetic number, because the mean of its divisors is an integer number (681482).

2^2044443 is an apocalyptic number.

2044443 is a deficient number, since it is larger than the sum of its proper divisors (681485).

2044443 is an equidigital number, since it uses as much as digits as its factorization.

2044443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681484.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 2044443 is about 1429.8402008616. The cubic root of 2044443 is about 126.9185209073.

Adding to 2044443 its reverse (3444402), we get a palindrome (5488845).

The spelling of 2044443 in words is "two million, forty-four thousand, four hundred forty-three".