448536817 has 4 divisors (see below), whose sum is σ = 449518756. Its totient is φ = 447554880.

The previous prime is 448536811. The next prime is 448536841. The reversal of 448536817 is 718635844.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 408201616 + 40335201 = 20204^2 + 6351^2 .

It is a cyclic number.

It is not a de Polignac number, because 448536817 - 2²³ = 440148209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448536811) 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, 490284 + ... + 491197.

It is an arithmetic number, because the mean of its divisors is an integer number (112379689).

Almost surely, 2^448536817 is an apocalyptic number.

It is an amenable number.

448536817 is a deficient number, since it is larger than the sum of its proper divisors (981939).

448536817 is an equidigital number, since it uses as much as digits as its factorization.

448536817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981938.

The product of its digits is 645120, while the sum is 46.

The square root of 448536817 is about 21178.6878016557. The cubic root of 448536817 is about 765.4779743269.

The spelling of 448536817 in words is "four hundred forty-eight million, five hundred thirty-six thousand, eight hundred seventeen".