8248821 has 16 divisors (see below), whose sum is σ = 12976128. Its totient is φ = 4561200.

The previous prime is 8248769. The next prime is 8248841. The reversal of 8248821 is 1288428.

It is not a de Polignac number, because 8248821 - 2⁷ = 8248693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8248841) 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, 5685 + ... + 6986.

It is an arithmetic number, because the mean of its divisors is an integer number (811008).

Almost surely, 2^8248821 is an apocalyptic number.

It is an amenable number.

8248821 is a deficient number, since it is larger than the sum of its proper divisors (4727307).

8248821 is a wasteful number, since it uses less digits than its factorization.

8248821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12712.

The product of its digits is 8192, while the sum is 33.

The square root of 8248821 is about 2872.0760783795. The cubic root of 8248821 is about 202.0523750736.

The spelling of 8248821 in words is "eight million, two hundred forty-eight thousand, eight hundred twenty-one".