8905812 has 12 divisors (see below), whose sum is σ = 20780256. Its totient is φ = 2968600.

The previous prime is 8905811. The next prime is 8905823. The reversal of 8905812 is 2185098.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8905811) 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 3 ways as a sum of consecutive naturals, for example, 371064 + ... + 371087.

It is an arithmetic number, because the mean of its divisors is an integer number (1731688).

Almost surely, 2^8905812 is an apocalyptic number.

It is an amenable number.

8905812 is an abundant number, since it is smaller than the sum of its proper divisors (11874444).

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

8905812 is a wasteful number, since it uses less digits than its factorization.

8905812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742158 (or 742156 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 8905812 is about 2984.2607124713. The cubic root of 8905812 is about 207.2802104940.

The spelling of 8905812 in words is "eight million, nine hundred five thousand, eight hundred twelve".