449928303 has 16 divisors (see below), whose sum is σ = 688886400. Its totient is φ = 258331680.

The previous prime is 449928287. The next prime is 449928317. The reversal of 449928303 is 303829944.

It is a happy number.

It is not a de Polignac number, because 449928303 - 2⁴ = 449928287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449928343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358168 + ... + 359421.

It is an arithmetic number, because the mean of its divisors is an integer number (43055400).

Almost surely, 2^449928303 is an apocalyptic number.

449928303 is a deficient number, since it is larger than the sum of its proper divisors (238958097).

449928303 is a wasteful number, since it uses less digits than its factorization.

449928303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717622.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 449928303 is about 21211.5134537826. The cubic root of 449928303 is about 766.2687323894.

The spelling of 449928303 in words is "four hundred forty-nine million, nine hundred twenty-eight thousand, three hundred three".