3216704 has 14 divisors (see below), whose sum is σ = 6383274. Its totient is φ = 1608320.

The previous prime is 3216691. The next prime is 3216751. The reversal of 3216704 is 4076123.

It can be written as a sum of positive squares in only one way, i.e., 2310400 + 906304 = 1520^2 + 952^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3216704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25067 + ... + 25194.

Almost surely, 2^3216704 is an apocalyptic number.

It is an amenable number.

3216704 is a deficient number, since it is larger than the sum of its proper divisors (3166570).

3216704 is an equidigital number, since it uses as much as digits as its factorization.

3216704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50273 (or 50263 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 3216704 is about 1793.5172148602. The cubic root of 3216704 is about 147.6172236763.

The spelling of 3216704 in words is "three million, two hundred sixteen thousand, seven hundred four".