8449844 has 24 divisors (see below), whose sum is σ = 16299360. Its totient is φ = 3808224.

The previous prime is 8449841. The next prime is 8449853. The reversal of 8449844 is 4489448.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449841) 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, 347 + ... + 4125.

It is an arithmetic number, because the mean of its divisors is an integer number (679140).

Almost surely, 2^8449844 is an apocalyptic number.

It is an amenable number.

8449844 is a deficient number, since it is larger than the sum of its proper divisors (7849516).

8449844 is a wasteful number, since it uses less digits than its factorization.

8449844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839 (or 3837 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 8449844 is about 2906.8615378102. The cubic root of 8449844 is about 203.6805521906.

The spelling of 8449844 in words is "eight million, four hundred forty-nine thousand, eight hundred forty-four".