448648917 has 8 divisors (see below), whose sum is σ = 598444320. Its totient is φ = 298976400.

The previous prime is 448648913. The next prime is 448648933. The reversal of 448648917 is 719846844.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 448648917 - 2² = 448648913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 448648917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448648913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21834 + ... + 37067.

It is an arithmetic number, because the mean of its divisors is an integer number (74805540).

Almost surely, 2^448648917 is an apocalyptic number.

It is an amenable number.

448648917 is a deficient number, since it is larger than the sum of its proper divisors (149795403).

448648917 is a wasteful number, since it uses less digits than its factorization.

448648917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61443.

The product of its digits is 1548288, while the sum is 51.

The square root of 448648917 is about 21181.3341647782. The cubic root of 448648917 is about 765.5417393885.

The spelling of 448648917 in words is "four hundred forty-eight million, six hundred forty-eight thousand, nine hundred seventeen".