449916 has 12 divisors (see below), whose sum is σ = 1049832. Its totient is φ = 149968.

The previous prime is 449879. The next prime is 449921. The reversal of 449916 is 619944.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 18735 + ... + 18758.

It is an arithmetic number, because the mean of its divisors is an integer number (87486).

2⁴⁴⁹⁹¹⁶ is an apocalyptic number.

It is an amenable number.

449916 is an abundant number, since it is smaller than the sum of its proper divisors (599916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449916 is a wasteful number, since it uses less digits than its factorization.

449916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37500 (or 37498 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 449916 is about 670.7577804245. The cubic root of 449916 is about 76.6261747951.

The spelling of 449916 in words is "four hundred forty-nine thousand, nine hundred sixteen".