9944609 has 8 divisors (see below), whose sum is σ = 10687968. Its totient is φ = 9218880.

The previous prime is 9944569. The next prime is 9944617. The reversal of 9944609 is 9064499.

9944609 = T₅₁₁ + T₅₁₂ + ... + T₅₇₇.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9944609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9944629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3227 + ... + 5504.

It is an arithmetic number, because the mean of its divisors is an integer number (1335996).

Almost surely, 2^9944609 is an apocalyptic number.

It is an amenable number.

9944609 is a deficient number, since it is larger than the sum of its proper divisors (743359).

9944609 is a wasteful number, since it uses less digits than its factorization.

9944609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8815.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 9944609 is about 3153.5074123902. The cubic root of 9944609 is about 215.0449446331.

The spelling of 9944609 in words is "nine million, nine hundred forty-four thousand, six hundred nine".