3219916 has 12 divisors (see below), whose sum is σ = 6439888. Its totient is φ = 1379952.

The previous prime is 3219901. The next prime is 3219917. The reversal of 3219916 is 6199123.

3219916 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (3219917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57471 + ... + 57526.

Almost surely, 2^3219916 is an apocalyptic number.

It is an amenable number.

3219916 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3219916 is a wasteful number, since it uses less digits than its factorization.

3219916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115008 (or 115006 counting only the distinct ones).

The product of its digits is 2916, while the sum is 31.

The square root of 3219916 is about 1794.4124386551. The cubic root of 3219916 is about 147.6663411158. Note that the first 3 decimals are identical.

The spelling of 3219916 in words is "three million, two hundred nineteen thousand, nine hundred sixteen".