449844 has 24 divisors (see below), whose sum is σ = 1105440. Its totient is φ = 141984.

The previous prime is 449833. The next prime is 449851. The reversal of 449844 is 448944.

It is a congruent number.

It is an unprimeable number.

449844 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 759 + ... + 1214.

It is an arithmetic number, because the mean of its divisors is an integer number (46060).

2⁴⁴⁹⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

449844 is an abundant number, since it is smaller than the sum of its proper divisors (655596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449844 is a wasteful number, since it uses less digits than its factorization.

449844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1997 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 449844 is about 670.7041076361. The cubic root of 449844 is about 76.6220870847.

Subtracting from 449844 its reverse (448944), we obtain a square (900 = 30²).

The spelling of 449844 in words is "four hundred forty-nine thousand, eight hundred forty-four".