9911444 has 24 divisors (see below), whose sum is σ = 18187008. Its totient is φ = 4720320.

The previous prime is 9911443. The next prime is 9911453. The reversal of 9911444 is 4441199.

9911444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9911444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9911443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7712 + ... + 8904.

It is an arithmetic number, because the mean of its divisors is an integer number (757792).

Almost surely, 2^9911444 is an apocalyptic number.

It is an amenable number.

9911444 is a deficient number, since it is larger than the sum of its proper divisors (8275564).

9911444 is a wasteful number, since it uses less digits than its factorization.

9911444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1293 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 9911444 is about 3148.2445902439. The cubic root of 9911444 is about 214.8056220476.

The spelling of 9911444 in words is "nine million, nine hundred eleven thousand, four hundred forty-four".