3213916 has 6 divisors (see below), whose sum is σ = 5624360. Its totient is φ = 1606956.

The previous prime is 3213893. The next prime is 3213937. The reversal of 3213916 is 6193123.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401736 + ... + 401743.

Almost surely, 2^3213916 is an apocalyptic number.

It is an amenable number.

3213916 is a deficient number, since it is larger than the sum of its proper divisors (2410444).

3213916 is a wasteful number, since it uses less digits than its factorization.

3213916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803483 (or 803481 counting only the distinct ones).

The product of its digits is 972, while the sum is 25.

The square root of 3213916 is about 1792.7398026484. The cubic root of 3213916 is about 147.5745634689.

The spelling of 3213916 in words is "three million, two hundred thirteen thousand, nine hundred sixteen".