449973 has 18 divisors (see below), whose sum is σ = 694434. Its totient is φ = 280704.

The previous prime is 449971. The next prime is 449987. The reversal of 449973 is 379944.

It can be written as a sum of positive squares in 3 ways, for example, as 288369 + 161604 = 537^2 + 402^2 .

It is not a de Polignac number, because 449973 - 2¹ = 449971 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449971) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 2515 + ... + 2687.

2⁴⁴⁹⁹⁷³ is an apocalyptic number.

It is an amenable number.

449973 is a deficient number, since it is larger than the sum of its proper divisors (244461).

449973 is a wasteful number, since it uses less digits than its factorization.

449973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 193 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 449973 is about 670.8002683363. The cubic root of 449973 is about 76.6294105898.

The spelling of 449973 in words is "four hundred forty-nine thousand, nine hundred seventy-three".