8005215 has 16 divisors (see below), whose sum is σ = 13562208. Its totient is φ = 4018176.

The previous prime is 8005211. The next prime is 8005241. The reversal of 8005215 is 5125008.

It is not a de Polignac number, because 8005215 - 2² = 8005211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8005191 and 8005200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8005211) 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, 15442 + ... + 15951.

It is an arithmetic number, because the mean of its divisors is an integer number (847638).

Almost surely, 2^8005215 is an apocalyptic number.

8005215 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8005215 is a deficient number, since it is larger than the sum of its proper divisors (5556993).

8005215 is a wasteful number, since it uses less digits than its factorization.

8005215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31418.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 8005215 is about 2829.3488650218. The cubic root of 8005215 is about 200.0434488936.

The spelling of 8005215 in words is "eight million, five thousand, two hundred fifteen".