449782 has 4 divisors (see below), whose sum is σ = 674676. Its totient is φ = 224890.

The previous prime is 449773. The next prime is 449783. The reversal of 449782 is 287944.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449783) by changing a digit.

449782 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112444 + ... + 112447.

It is an arithmetic number, because the mean of its divisors is an integer number (168669).

2⁴⁴⁹⁷⁸² is an apocalyptic number.

449782 is a deficient number, since it is larger than the sum of its proper divisors (224894).

449782 is a wasteful number, since it uses less digits than its factorization.

449782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224893.

The product of its digits is 16128, while the sum is 34.

The square root of 449782 is about 670.6578859597. The cubic root of 449782 is about 76.6185667623.

The spelling of 449782 in words is "four hundred forty-nine thousand, seven hundred eighty-two".