449866 has 8 divisors (see below), whose sum is σ = 690624. Its totient is φ = 219660.

The previous prime is 449851. The next prime is 449879. The reversal of 449866 is 668944.

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

It is a congruent number.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 2530 + ... + 2701.

It is an arithmetic number, because the mean of its divisors is an integer number (86328).

2⁴⁴⁹⁸⁶⁶ is an apocalyptic number.

449866 is a deficient number, since it is larger than the sum of its proper divisors (240758).

449866 is a wasteful number, since it uses less digits than its factorization.

449866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276.

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

The square root of 449866 is about 670.7205081105. The cubic root of 449866 is about 76.6233361536.

The spelling of 449866 in words is "four hundred forty-nine thousand, eight hundred sixty-six".