449321828 has 24 divisors (see below), whose sum is σ = 800489088. Its totient is φ = 220642976.

The previous prime is 449321827. The next prime is 449321839. The reversal of 449321828 is 828123944.

It is not an unprimeable number, because it can be changed into a prime (449321827) 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 7 ways as a sum of consecutive naturals, for example, 53525 + ... + 61347.

It is an arithmetic number, because the mean of its divisors is an integer number (33353712).

Almost surely, 2^449321828 is an apocalyptic number.

It is an amenable number.

449321828 is a deficient number, since it is larger than the sum of its proper divisors (351167260).

449321828 is a wasteful number, since it uses less digits than its factorization.

449321828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8083 (or 8081 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 449321828 is about 21197.2127413016. The cubic root of 449321828 is about 765.9242835898.

The spelling of 449321828 in words is "four hundred forty-nine million, three hundred twenty-one thousand, eight hundred twenty-eight".