449803 has 4 divisors (see below), whose sum is σ = 476280. Its totient is φ = 423328.

The previous prime is 449797. The next prime is 449807. The reversal of 449803 is 308944.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449807) by changing a digit.

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, 13213 + ... + 13246.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

2⁴⁴⁹⁸⁰³ is an apocalyptic number.

449803 is a deficient number, since it is larger than the sum of its proper divisors (26477).

449803 is a wasteful number, since it uses less digits than its factorization.

449803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26476.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 449803 is about 670.6735420456. The cubic root of 449803 is about 76.6197591658.

It can be divided in two parts, 44980 and 3, that multiplied together give a triangular number (134940 = T₅₁₉).

The spelling of 449803 in words is "four hundred forty-nine thousand, eight hundred three".