9968444 has 6 divisors (see below), whose sum is σ = 17444784. Its totient is φ = 4984220.

The previous prime is 9968423. The next prime is 9968449. The reversal of 9968444 is 4448699.

It is a happy number.

It is a super-2 number, since 2×9968444² = 198739751562272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9968395 and 9968404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9968449) by changing a digit.

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 as a sum of consecutive naturals, namely, 1246052 + ... + 1246059.

It is an arithmetic number, because the mean of its divisors is an integer number (2907464).

Almost surely, 2^9968444 is an apocalyptic number.

It is an amenable number.

9968444 is a deficient number, since it is larger than the sum of its proper divisors (7476340).

9968444 is a wasteful number, since it uses less digits than its factorization.

9968444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492115 (or 2492113 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 9968444 is about 3157.2842760828. The cubic root of 9968444 is about 215.2166124091.

The spelling of 9968444 in words is "nine million, nine hundred sixty-eight thousand, four hundred forty-four".