8266215 has 16 divisors (see below), whose sum is σ = 13549536. Its totient is φ = 4300800.

The previous prime is 8266211. The next prime is 8266217. The reversal of 8266215 is 5126628.

8266215 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8266215 - 2² = 8266211 is a prime.

8266215 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8266211) 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, 6106 + ... + 7335.

It is an arithmetic number, because the mean of its divisors is an integer number (846846).

Almost surely, 2^8266215 is an apocalyptic number.

8266215 is a deficient number, since it is larger than the sum of its proper divisors (5283321).

8266215 is a wasteful number, since it uses less digits than its factorization.

8266215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13490.

The product of its digits is 5760, while the sum is 30.

The square root of 8266215 is about 2875.1026068647. The cubic root of 8266215 is about 202.1942956221.

The spelling of 8266215 in words is "eight million, two hundred sixty-six thousand, two hundred fifteen".