8449449 has 8 divisors (see below), whose sum is σ = 11457120. Its totient is φ = 5537376.

The previous prime is 8449439. The next prime is 8449451. The reversal of 8449449 is 9449448.

8449449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8449449 - 2⁵ = 8449417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8449449.

It is not an unprimeable number, because it can be changed into a prime (8449409) 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, 23692 + ... + 24045.

It is an arithmetic number, because the mean of its divisors is an integer number (1432140).

Almost surely, 2^8449449 is an apocalyptic number.

It is an amenable number.

8449449 is a deficient number, since it is larger than the sum of its proper divisors (3007671).

8449449 is a wasteful number, since it uses less digits than its factorization.

8449449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47799.

The product of its digits is 165888, while the sum is 42.

The square root of 8449449 is about 2906.7935943235. The cubic root of 8449449 is about 203.6773783619.

Subtracting 8449449 from its reverse (9449448), we obtain a palindrome (999999).

The spelling of 8449449 in words is "eight million, four hundred forty-nine thousand, four hundred forty-nine".