8648215 has 8 divisors (see below), whose sum is σ = 10422720. Its totient is φ = 6888672.

The previous prime is 8648191. The next prime is 8648221. The reversal of 8648215 is 5128468.

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 8648215 - 2²¹ = 6551063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2424 + ... + 4813.

It is an arithmetic number, because the mean of its divisors is an integer number (1302840).

Almost surely, 2^8648215 is an apocalyptic number.

8648215 is a deficient number, since it is larger than the sum of its proper divisors (1774505).

8648215 is a wasteful number, since it uses less digits than its factorization.

8648215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481.

The product of its digits is 15360, while the sum is 34.

The square root of 8648215 is about 2940.7847592097. The cubic root of 8648215 is about 205.2621275021.

The spelling of 8648215 in words is "eight million, six hundred forty-eight thousand, two hundred fifteen".