9964449 has 24 divisors (see below), whose sum is σ = 15803424. Its totient is φ = 6000000.

The previous prime is 9964439. The next prime is 9964463. The reversal of 9964449 is 9444699.

It is not a de Polignac number, because 9964449 - 2⁷ = 9964321 is a prime.

9964449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9964439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24649 + ... + 25049.

It is an arithmetic number, because the mean of its divisors is an integer number (658476).

Almost surely, 2^9964449 is an apocalyptic number.

9964449 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9964449 is a deficient number, since it is larger than the sum of its proper divisors (5838975).

9964449 is a wasteful number, since it uses less digits than its factorization.

9964449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 666 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 9964449 is about 3156.6515487142. The cubic root of 9964449 is about 215.1878581639.

It can be divided in two parts, 996 and 4449, that added together give a palindrome (5445).

The spelling of 9964449 in words is "nine million, nine hundred sixty-four thousand, four hundred forty-nine".