8201808 has 30 divisors (see below), whose sum is σ = 22954074. Its totient is φ = 2733888.

The previous prime is 8201807. The next prime is 8201813. The reversal of 8201808 is 8081028.

It can be written as a sum of positive squares in only one way, i.e., 5419584 + 2782224 = 2328^2 + 1668^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8201801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28335 + ... + 28622.

Almost surely, 2^8201808 is an apocalyptic number.

It is an amenable number.

8201808 is an abundant number, since it is smaller than the sum of its proper divisors (14752266).

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

8201808 is a wasteful number, since it uses less digits than its factorization.

8201808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56971 (or 56962 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 8201808 is about 2863.8798857494. The cubic root of 8201808 is about 201.6677871061.

It can be divided in two parts, 8201 and 808, that added together give a palindrome (9009).

The spelling of 8201808 in words is "eight million, two hundred one thousand, eight hundred eight".