9944424 has 64 divisors (see below), whose sum is σ = 31574400. Its totient is φ = 2840832.

The previous prime is 9944423. The next prime is 9944449. The reversal of 9944424 is 4244499.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9944423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777 + ... + 4800.

It is an arithmetic number, because the mean of its divisors is an integer number (493350).

Almost surely, 2^9944424 is an apocalyptic number.

It is an amenable number.

9944424 is an abundant number, since it is smaller than the sum of its proper divisors (21629976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9944424 is a wasteful number, since it uses less digits than its factorization.

9944424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6599 (or 6589 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 9944424 is about 3153.4780798350. The cubic root of 9944424 is about 215.0436111280.

The spelling of 9944424 in words is "nine million, nine hundred forty-four thousand, four hundred twenty-four".