4443444 has 24 divisors (see below), whose sum is σ = 11520320. Its totient is φ = 1481112.

The previous prime is 4443433. The next prime is 4443463.

4443444 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4443444² = 39488389162272, which contains 22 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 20464 + ... + 20679.

Almost surely, 2^4443444 is an apocalyptic number.

It is an amenable number.

4443444 is an abundant number, since it is smaller than the sum of its proper divisors (7076876).

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

4443444 is a wasteful number, since it uses less digits than its factorization.

4443444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41156 (or 41148 counting only the distinct ones).

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

The square root of 4443444 is about 2107.9478171909. The cubic root of 4443444 is about 164.4018008221.

The spelling of 4443444 in words is "four million, four hundred forty-three thousand, four hundred forty-four".