448648199 has 16 divisors (see below), whose sum is σ = 477459360. Its totient is φ = 420963840.

The previous prime is 448648181. The next prime is 448648217. The reversal of 448648199 is 991846844.

It is an interprime number because it is at equal distance from previous prime (448648181) and next prime (448648217).

It is a cyclic number.

It is not a de Polignac number, because 448648199 - 2¹⁶ = 448582663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 448648199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448648169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133352 + ... + 136674.

It is an arithmetic number, because the mean of its divisors is an integer number (29841210).

Almost surely, 2^448648199 is an apocalyptic number.

448648199 is a deficient number, since it is larger than the sum of its proper divisors (28811161).

448648199 is a wasteful number, since it uses less digits than its factorization.

448648199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490.

The product of its digits is 1990656, while the sum is 53.

The square root of 448648199 is about 21181.3172158863. The cubic root of 448648199 is about 765.5413310073.

The spelling of 448648199 in words is "four hundred forty-eight million, six hundred forty-eight thousand, one hundred ninety-nine".