448863497 has 4 divisors (see below), whose sum is σ = 448905876. Its totient is φ = 448821120.

The previous prime is 448863439. The next prime is 448863553. The reversal of 448863497 is 794368844.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 360202441 + 88661056 = 18979^2 + 9416^2 .

It is a cyclic number.

It is not a de Polignac number, because 448863497 - 2⁸ = 448863241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448863697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10097 + ... + 31617.

It is an arithmetic number, because the mean of its divisors is an integer number (112226469).

Almost surely, 2^448863497 is an apocalyptic number.

It is an amenable number.

448863497 is a deficient number, since it is larger than the sum of its proper divisors (42379).

448863497 is a wasteful number, since it uses less digits than its factorization.

448863497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42378.

The product of its digits is 4644864, while the sum is 53.

The square root of 448863497 is about 21186.3988681418. The cubic root of 448863497 is about 765.6637678151.

The spelling of 448863497 in words is "four hundred forty-eight million, eight hundred sixty-three thousand, four hundred ninety-seven".