808366212 has 18 divisors (see below), whose sum is σ = 2043370238. Its totient is φ = 269455392.

The previous prime is 808366187. The next prime is 808366231. The reversal of 808366212 is 212663808.

808366212 is a `hidden beast` number, since 80 + 8 + 366 + 212 = 666.

It can be written as a sum of positive squares in only one way, i.e., 795578436 + 12787776 = 28206^2 + 3576^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 22454617 = 808366212 / (8 + 0 + 8 + 3 + 6 + 6 + 2 + 1 + 2).

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 5 ways as a sum of consecutive naturals, for example, 11227273 + ... + 11227344.

Almost surely, 2^808366212 is an apocalyptic number.

It is an amenable number.

808366212 is an abundant number, since it is smaller than the sum of its proper divisors (1235004026).

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

808366212 is a wasteful number, since it uses less digits than its factorization.

808366212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22454627 (or 22454622 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 808366212 is about 28431.7817239792. The cubic root of 808366212 is about 931.5425942320.

The spelling of 808366212 in words is "eight hundred eight million, three hundred sixty-six thousand, two hundred twelve".