808220936 has 32 divisors (see below), whose sum is σ = 1689012000. Its totient is φ = 360320256.

The previous prime is 808220909. The next prime is 808220947. The reversal of 808220936 is 639022808.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 808220936.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 153806 + ... + 158973.

It is an arithmetic number, because the mean of its divisors is an integer number (52781625).

Almost surely, 2^808220936 is an apocalyptic number.

It is an amenable number.

808220936 is an abundant number, since it is smaller than the sum of its proper divisors (880791064).

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

808220936 is a wasteful number, since it uses less digits than its factorization.

808220936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312821 (or 312817 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 808220936 is about 28429.2267921588. The cubic root of 808220936 is about 931.4867866505.

The spelling of 808220936 in words is "eight hundred eight million, two hundred twenty thousand, nine hundred thirty-six".