449656 has 8 divisors (see below), whose sum is σ = 843120. Its totient is φ = 224824.

The previous prime is 449653. The next prime is 449663. The reversal of 449656 is 656944.

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 (449653) 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 as a sum of consecutive naturals, namely, 28096 + ... + 28111.

It is an arithmetic number, because the mean of its divisors is an integer number (105390).

2⁴⁴⁹⁶⁵⁶ is an apocalyptic number.

It is an amenable number.

449656 is a deficient number, since it is larger than the sum of its proper divisors (393464).

449656 is a wasteful number, since it uses less digits than its factorization.

449656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56213 (or 56209 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 449656 is about 670.5639417684. The cubic root of 449656 is about 76.6114115619.

The spelling of 449656 in words is "four hundred forty-nine thousand, six hundred fifty-six".