448593538 has 4 divisors (see below), whose sum is σ = 672890310. Its totient is φ = 224296768.

The previous prime is 448593493. The next prime is 448593571. The reversal of 448593538 is 835395844.

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

It can be written as a sum of positive squares in only one way, i.e., 379587289 + 69006249 = 19483^2 + 8307^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 448593491 and 448593500.

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 as a sum of consecutive naturals, namely, 112148383 + ... + 112148386.

Almost surely, 2^448593538 is an apocalyptic number.

448593538 is a deficient number, since it is larger than the sum of its proper divisors (224296772).

448593538 is a wasteful number, since it uses less digits than its factorization.

448593538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224296771.

The product of its digits is 2073600, while the sum is 49.

The square root of 448593538 is about 21180.0268649499. The cubic root of 448593538 is about 765.5102398656.

The spelling of 448593538 in words is "four hundred forty-eight million, five hundred ninety-three thousand, five hundred thirty-eight".