3321812 has 24 divisors (see below), whose sum is σ = 6322176. Its totient is φ = 1518048.

The previous prime is 3321781. The next prime is 3321841. The reversal of 3321812 is 2181233.

It is a super-2 number, since 2×3321812² = 22068869926688, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 6353 + ... + 6855.

It is an arithmetic number, because the mean of its divisors is an integer number (263424).

Almost surely, 2^3321812 is an apocalyptic number.

It is an amenable number.

3321812 is a deficient number, since it is larger than the sum of its proper divisors (3000364).

3321812 is a wasteful number, since it uses less digits than its factorization.

3321812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 3321812 is about 1822.5838800999. The cubic root of 3321812 is about 149.2078536884.

The spelling of 3321812 in words is "three million, three hundred twenty-one thousand, eight hundred twelve".