449816 has 16 divisors (see below), whose sum is σ = 858600. Its totient is φ = 220864.

The previous prime is 449807. The next prime is 449821. The reversal of 449816 is 618944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 948.

2⁴⁴⁹⁸¹⁶ is an apocalyptic number.

It is an amenable number.

449816 is a deficient number, since it is larger than the sum of its proper divisors (408784).

449816 is a wasteful number, since it uses less digits than its factorization.

449816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 1014 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 449816 is about 670.6832337251. The cubic root of 449816 is about 76.6204973017.

The spelling of 449816 in words is "four hundred forty-nine thousand, eight hundred sixteen".