3221836 has 12 divisors (see below), whose sum is σ = 5662440. Its totient is φ = 1604000.

The previous prime is 3221819. The next prime is 3221899. The reversal of 3221836 is 6381223.

It is a self number, because there is not a number n which added to its sum of digits gives 3221836.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601 + ... + 2608.

It is an arithmetic number, because the mean of its divisors is an integer number (471870).

Almost surely, 2^3221836 is an apocalyptic number.

It is an amenable number.

3221836 is a deficient number, since it is larger than the sum of its proper divisors (2440604).

3221836 is a wasteful number, since it uses less digits than its factorization.

3221836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464 (or 3462 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 3221836 is about 1794.9473529884. The cubic root of 3221836 is about 147.6956858814.

The spelling of 3221836 in words is "three million, two hundred twenty-one thousand, eight hundred thirty-six".