9916449 has 4 divisors (see below), whose sum is σ = 13221936. Its totient is φ = 6610964.

The previous prime is 9916441. The next prime is 9916451. The reversal of 9916449 is 9446199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9916449 - 2³ = 9916441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9916449.

It is not an unprimeable number, because it can be changed into a prime (9916441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652739 + ... + 1652744.

It is an arithmetic number, because the mean of its divisors is an integer number (3305484).

Almost surely, 2^9916449 is an apocalyptic number.

It is an amenable number.

9916449 is a deficient number, since it is larger than the sum of its proper divisors (3305487).

9916449 is a wasteful number, since it uses less digits than its factorization.

9916449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305486.

The product of its digits is 69984, while the sum is 42.

The square root of 9916449 is about 3149.0393773340. The cubic root of 9916449 is about 214.8417728924.

The spelling of 9916449 in words is "nine million, nine hundred sixteen thousand, four hundred forty-nine".