449423793 has 48 divisors (see below), whose sum is σ = 820624896. Its totient is φ = 230636160.

The previous prime is 449423791. The next prime is 449423797. The reversal of 449423793 is 397324944.

It is not a de Polignac number, because 449423793 - 2¹ = 449423791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449423791) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22888 + ... + 37718.

It is an arithmetic number, because the mean of its divisors is an integer number (17096352).

Almost surely, 2^449423793 is an apocalyptic number.

It is an amenable number.

449423793 is a deficient number, since it is larger than the sum of its proper divisors (371201103).

449423793 is a wasteful number, since it uses less digits than its factorization.

449423793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14894 (or 14891 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 449423793 is about 21199.6177559880. The cubic root of 449423793 is about 765.9822164996.

The spelling of 449423793 in words is "four hundred forty-nine million, four hundred twenty-three thousand, seven hundred ninety-three".