9944509 has 8 divisors (see below), whose sum is σ = 10362240. Its totient is φ = 9535200.

The previous prime is 9944503. The next prime is 9944513. The reversal of 9944509 is 9054499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9944509 - 2¹¹ = 9942461 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9944503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364 + ... + 4474.

It is an arithmetic number, because the mean of its divisors is an integer number (1295280).

Almost surely, 2^9944509 is an apocalyptic number.

It is an amenable number.

9944509 is a deficient number, since it is larger than the sum of its proper divisors (417731).

9944509 is a wasteful number, since it uses less digits than its factorization.

9944509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 9944509 is about 3153.4915569889. The cubic root of 9944509 is about 215.0442238216.

The spelling of 9944509 in words is "nine million, nine hundred forty-four thousand, five hundred nine".