449456 has 20 divisors (see below), whose sum is σ = 995472. Its totient is φ = 192576.

The previous prime is 449441. The next prime is 449459. The reversal of 449456 is 654944.

It is a happy number.

449456 is nontrivially palindromic in base 3.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 449456.

It is not an unprimeable number, because it can be changed into a prime (449459) by changing a digit.

449456 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 3 ways as a sum of consecutive naturals, for example, 1895 + ... + 2118.

2⁴⁴⁹⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

449456 is an abundant number, since it is smaller than the sum of its proper divisors (546016).

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

449456 is a wasteful number, since it uses less digits than its factorization.

449456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028 (or 4022 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 449456 is about 670.4147969727. The cubic root of 449456 is about 76.6000513558.

The spelling of 449456 in words is "four hundred forty-nine thousand, four hundred fifty-six".