9944405 has 8 divisors (see below), whose sum is σ = 12635352. Its totient is φ = 7487488.

The previous prime is 9944393. The next prime is 9944423. The reversal of 9944405 is 5044499.

It can be written as a sum of positive squares in 4 ways, for example, as 2937796 + 7006609 = 1714^2 + 2647^2 .

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 9944405 - 2¹⁴ = 9928021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58412 + ... + 58581.

It is an arithmetic number, because the mean of its divisors is an integer number (1579419).

Almost surely, 2^9944405 is an apocalyptic number.

It is an amenable number.

9944405 is a deficient number, since it is larger than the sum of its proper divisors (2690947).

9944405 is a wasteful number, since it uses less digits than its factorization.

9944405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117015.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 9944405 is about 3153.4750672869. The cubic root of 9944405 is about 215.0434741725.

The spelling of 9944405 in words is "nine million, nine hundred forty-four thousand, four hundred five".