8102215 has 16 divisors (see below), whose sum is σ = 10868256. Its totient is φ = 5747200.

The previous prime is 8102177. The next prime is 8102221. The reversal of 8102215 is 5122018.

It is not a de Polignac number, because 8102215 - 2¹¹ = 8100167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8102192 and 8102201.

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 15 ways as a sum of consecutive naturals, for example, 459 + ... + 4051.

It is an arithmetic number, because the mean of its divisors is an integer number (679266).

Almost surely, 2^8102215 is an apocalyptic number.

8102215 is a deficient number, since it is larger than the sum of its proper divisors (2766041).

8102215 is a wasteful number, since it uses less digits than its factorization.

8102215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 8102215 is about 2846.4390033865. The cubic root of 8102215 is about 200.8481894548.

It can be divided in two parts, 810 and 2215, that added together give a square (3025 = 55²).

The spelling of 8102215 in words is "eight million, one hundred two thousand, two hundred fifteen".