9969449 has 8 divisors (see below), whose sum is σ = 11418240. Its totient is φ = 8526816.

The previous prime is 9969431. The next prime is 9969451. The reversal of 9969449 is 9449699.

It is a happy number.

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 9969449 - 2¹⁶ = 9903913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9969397 and 9969406.

It is not an unprimeable number, because it can be changed into a prime (9963449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2732 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (1427280).

Almost surely, 2^9969449 is an apocalyptic number.

It is an amenable number.

9969449 is a deficient number, since it is larger than the sum of its proper divisors (1448791).

9969449 is a wasteful number, since it uses less digits than its factorization.

9969449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079.

The product of its digits is 629856, while the sum is 50.

The square root of 9969449 is about 3157.4434278384. The cubic root of 9969449 is about 215.2238447457.

The spelling of 9969449 in words is "nine million, nine hundred sixty-nine thousand, four hundred forty-nine".