448507684 has 9 divisors (see below), whose sum is σ = 784962577. Its totient is φ = 224232664.

The previous prime is 448507679. The next prime is 448507729. The reversal of 448507684 is 486705844.

The square root of 448507684 is 21178.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 59629284 + 388878400 = 7722^2 + 19720^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37062 + ... + 47650.

Almost surely, 2^448507684 is an apocalyptic number.

448507684 is the 21178-th square number.

It is an amenable number.

448507684 is a deficient number, since it is larger than the sum of its proper divisors (336454893).

448507684 is an frugal number, since it uses more digits than its factorization.

448507684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21182 (or 10591 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 46.

The cubic root of 448507684 is about 765.4614010663.

The spelling of 448507684 in words is "four hundred forty-eight million, five hundred seven thousand, six hundred eighty-four".