449432 has 8 divisors (see below), whose sum is σ = 842700. Its totient is φ = 224712.

The previous prime is 449419. The next prime is 449437. The reversal of 449432 is 234944.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449437) by changing a digit.

449432 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 as a sum of consecutive naturals, namely, 28082 + ... + 28097.

2⁴⁴⁹⁴³² is an apocalyptic number.

It is an amenable number.

449432 is a deficient number, since it is larger than the sum of its proper divisors (393268).

449432 is a wasteful number, since it uses less digits than its factorization.

449432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56185 (or 56181 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 449432 is about 670.3968973675. The cubic root of 449432 is about 76.5986879046.

The spelling of 449432 in words is "four hundred forty-nine thousand, four hundred thirty-two".