8440444 has 12 divisors (see below), whose sum is σ = 14799568. Its totient is φ = 4212000.

The previous prime is 8440441. The next prime is 8440457. The reversal of 8440444 is 4440448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8440441) 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, 649 + ... + 4159.

Almost surely, 2^8440444 is an apocalyptic number.

It is an amenable number.

8440444 is a deficient number, since it is larger than the sum of its proper divisors (6359124).

8440444 is a wasteful number, since it uses less digits than its factorization.

8440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116 (or 4114 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 8440444 is about 2905.2442238132. The cubic root of 8440444 is about 203.6049962556.

It can be divided in two parts, 84404 and 44, that added together give a palindrome (84448).

The spelling of 8440444 in words is "eight million, four hundred forty thousand, four hundred forty-four".