449668 has 12 divisors (see below), whose sum is σ = 797440. Its totient is φ = 221832.

The previous prime is 449663. The next prime is 449671. The reversal of 449668 is 866944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396 + ... + 1027.

2⁴⁴⁹⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

449668 is a deficient number, since it is larger than the sum of its proper divisors (347772).

449668 is a wasteful number, since it uses less digits than its factorization.

449668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1504 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 449668 is about 670.5728894013. The cubic root of 449668 is about 76.6120930672.

The spelling of 449668 in words is "four hundred forty-nine thousand, six hundred sixty-eight".