448357217 has 8 divisors (see below), whose sum is σ = 558990912. Its totient is φ = 349369200.

The previous prime is 448357213. The next prime is 448357237. The reversal of 448357217 is 712753844.

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

It is a cyclic number.

It is not a de Polignac number, because 448357217 - 2² = 448357213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448357213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2911334 + ... + 2911487.

It is an arithmetic number, because the mean of its divisors is an integer number (69873864).

Almost surely, 2^448357217 is an apocalyptic number.

It is an amenable number.

448357217 is a deficient number, since it is larger than the sum of its proper divisors (110633695).

448357217 is a wasteful number, since it uses less digits than its factorization.

448357217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822839.

The product of its digits is 188160, while the sum is 41.

The square root of 448357217 is about 21174.4472655132. The cubic root of 448357217 is about 765.3757915609.

The spelling of 448357217 in words is "four hundred forty-eight million, three hundred fifty-seven thousand, two hundred seventeen".