3021812 has 12 divisors (see below), whose sum is σ = 5324256. Its totient is φ = 1500600.

The previous prime is 3021797. The next prime is 3021833. The reversal of 3021812 is 2181203.

It is a hoax number, since the sum of its digits (17) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898 + ... + 3105.

It is an arithmetic number, because the mean of its divisors is an integer number (443688).

Almost surely, 2^3021812 is an apocalyptic number.

It is an amenable number.

3021812 is a deficient number, since it is larger than the sum of its proper divisors (2302444).

3021812 is a wasteful number, since it uses less digits than its factorization.

3021812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5158 (or 5156 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 3021812 is about 1738.3359859360. The cubic root of 3021812 is about 144.5736505090.

The spelling of 3021812 in words is "three million, twenty-one thousand, eight hundred twelve".