448887215 has 16 divisors (see below), whose sum is σ = 620470272. Its totient is φ = 305381664.

The previous prime is 448887211. The next prime is 448887233. The reversal of 448887215 is 512788844.

It is not a de Polignac number, because 448887215 - 2² = 448887211 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 448887215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448887211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 46049 + ... + 54938.

It is an arithmetic number, because the mean of its divisors is an integer number (38779392).

Almost surely, 2^448887215 is an apocalyptic number.

448887215 is a deficient number, since it is larger than the sum of its proper divisors (171583057).

448887215 is a wasteful number, since it uses less digits than its factorization.

448887215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101126.

The product of its digits is 573440, while the sum is 47.

The square root of 448887215 is about 21186.9586066523. The cubic root of 448887215 is about 765.6772534988.

The spelling of 448887215 in words is "four hundred forty-eight million, eight hundred eighty-seven thousand, two hundred fifteen".