4444623 has 12 divisors (see below), whose sum is σ = 6442800. Its totient is φ = 2952576.

The previous prime is 4444621. The next prime is 4444639. The reversal of 4444623 is 3264444.

It is not a de Polignac number, because 4444623 - 2¹ = 4444621 is a prime.

It is a super-2 number, since 2×4444623² = 39509347224258, which contains 22 as substring.

4444623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2478 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (536900).

Almost surely, 2^4444623 is an apocalyptic number.

4444623 is a deficient number, since it is larger than the sum of its proper divisors (1998177).

4444623 is a wasteful number, since it uses less digits than its factorization.

4444623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758 (or 1755 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 4444623 is about 2108.2274545219. The cubic root of 4444623 is about 164.4163400385.

The spelling of 4444623 in words is "four million, four hundred forty-four thousand, six hundred twenty-three".