8205808 has 20 divisors (see below), whose sum is σ = 17122168. Its totient is φ = 3787200.

The previous prime is 8205797. The next prime is 8205817. The reversal of 8205808 is 8085028.

It is a self number, because there is not a number n which added to its sum of digits gives 8205808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19518 + ... + 19933.

Almost surely, 2^8205808 is an apocalyptic number.

It is an amenable number.

8205808 is an abundant number, since it is smaller than the sum of its proper divisors (8916360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8205808 is a wasteful number, since it uses less digits than its factorization.

8205808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39472 (or 39466 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 8205808 is about 2864.5781539347. The cubic root of 8205808 is about 201.7005660595.

The spelling of 8205808 in words is "eight million, two hundred five thousand, eight hundred eight".