8443444 has 6 divisors (see below), whose sum is σ = 14776034. Its totient is φ = 4221720.

The previous prime is 8443433. The next prime is 8443453. The reversal of 8443444 is 4443448.

It can be written as a sum of positive squares in only one way, i.e., 7784100 + 659344 = 2790^2 + 812^2 .

It is a super-2 number, since 2×8443444² = 142583493162272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055427 + ... + 1055434.

Almost surely, 2^8443444 is an apocalyptic number.

It is an amenable number.

8443444 is a deficient number, since it is larger than the sum of its proper divisors (6332590).

8443444 is a wasteful number, since it uses less digits than its factorization.

8443444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110865 (or 2110863 counting only the distinct ones).

The product of its digits is 24576, while the sum is 31.

The square root of 8443444 is about 2905.7604856560. The cubic root of 8443444 is about 203.6291159439.

The spelling of 8443444 in words is "eight million, four hundred forty-three thousand, four hundred forty-four".