448865849 has 4 divisors (see below), whose sum is σ = 448909200. Its totient is φ = 448822500.

The previous prime is 448865843. The next prime is 448865881. The reversal of 448865849 is 948568844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 448865849 - 2¹² = 448861753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448865794 and 448865803.

It is not an unprimeable number, because it can be changed into a prime (448865843) 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 3 ways as a sum of consecutive naturals, for example, 3974 + ... + 30224.

It is an arithmetic number, because the mean of its divisors is an integer number (112227300).

Almost surely, 2^448865849 is an apocalyptic number.

It is an amenable number.

448865849 is a deficient number, since it is larger than the sum of its proper divisors (43351).

448865849 is a wasteful number, since it uses less digits than its factorization.

448865849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43350.

The product of its digits is 8847360, while the sum is 56.

The square root of 448865849 is about 21186.4543753786. The cubic root of 448865849 is about 765.6651051467.

The spelling of 448865849 in words is "four hundred forty-eight million, eight hundred sixty-five thousand, eight hundred forty-nine".