8544449 has 2 divisors, whose sum is σ = 8544450. Its totient is φ = 8544448.

The previous prime is 8544427. The next prime is 8544451. The reversal of 8544449 is 9444458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7263025 + 1281424 = 2695^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 8544449 - 2¹² = 8540353 is a prime.

It is a Sophie Germain prime.

Together with 8544451, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8544049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4272224 + 4272225.

It is an arithmetic number, because the mean of its divisors is an integer number (4272225).

Almost surely, 2^8544449 is an apocalyptic number.

It is an amenable number.

8544449 is a deficient number, since it is larger than the sum of its proper divisors (1).

8544449 is an equidigital number, since it uses as much as digits as its factorization.

8544449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 38.

The square root of 8544449 is about 2923.0889483558. The cubic root of 8544449 is about 204.4378730581.

Subtracting 8544449 from its reverse (9444458), we obtain a palindrome (900009).

The spelling of 8544449 in words is "eight million, five hundred forty-four thousand, four hundred forty-nine".