9944550 has 216 divisors, whose sum is σ = 34732152. Its totient is φ = 2016000.

The previous prime is 9944531. The next prime is 9944563. The reversal of 9944550 is 554499.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 242530 + ... + 242570.

It is an arithmetic number, because the mean of its divisors is an integer number (160797).

Almost surely, 2^9944550 is an apocalyptic number.

9944550 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9944550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17366076).

9944550 is an abundant number, since it is smaller than the sum of its proper divisors (24787602).

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

9944550 is a wasteful number, since it uses less digits than its factorization.

9944550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 9944550 is about 3153.4980577131. The cubic root of 9944550 is about 215.0445193549.

The spelling of 9944550 in words is "nine million, nine hundred forty-four thousand, five hundred fifty".