448848409 has 4 divisors (see below), whose sum is σ = 448892416. Its totient is φ = 448804404.

The previous prime is 448848397. The next prime is 448848437. The reversal of 448848409 is 904848844.

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 448848409 - 2⁵ = 448848377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448848469) 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, 2092 + ... + 30034.

It is an arithmetic number, because the mean of its divisors is an integer number (112223104).

Almost surely, 2^448848409 is an apocalyptic number.

It is an amenable number.

448848409 is a deficient number, since it is larger than the sum of its proper divisors (44007).

448848409 is a wasteful number, since it uses less digits than its factorization.

448848409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44006.

The product of its (nonzero) digits is 1179648, while the sum is 49.

The square root of 448848409 is about 21186.0427876468. The cubic root of 448848409 is about 765.6551887672.

The spelling of 448848409 in words is "four hundred forty-eight million, eight hundred forty-eight thousand, four hundred nine".