449666 has 8 divisors (see below), whose sum is σ = 770880. Its totient is φ = 192708.

The previous prime is 449663. The next prime is 449671. The reversal of 449666 is 666944.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 16046 + ... + 16073.

It is an arithmetic number, because the mean of its divisors is an integer number (96360).

2⁴⁴⁹⁶⁶⁶ is an apocalyptic number.

449666 is a deficient number, since it is larger than the sum of its proper divisors (321214).

449666 is a wasteful number, since it uses less digits than its factorization.

449666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32128.

The product of its digits is 31104, while the sum is 35.

The square root of 449666 is about 670.5713981374. The cubic root of 449666 is about 76.6119794838.

The spelling of 449666 in words is "four hundred forty-nine thousand, six hundred sixty-six".