8215264 has 24 divisors (see below), whose sum is σ = 16291800. Its totient is φ = 4077696.

The previous prime is 8215253. The next prime is 8215283. The reversal of 8215264 is 4625128.

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 3 ways as a sum of consecutive naturals, for example, 3907 + ... + 5629.

It is an arithmetic number, because the mean of its divisors is an integer number (678825).

Almost surely, 2^8215264 is an apocalyptic number.

It is an amenable number.

8215264 is a deficient number, since it is larger than the sum of its proper divisors (8076536).

8215264 is a wasteful number, since it uses less digits than its factorization.

8215264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1874 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 8215264 is about 2866.2281835192. The cubic root of 8215264 is about 201.7780131717.

The spelling of 8215264 in words is "eight million, two hundred fifteen thousand, two hundred sixty-four".