3568321 has 3 divisors (see below), whose sum is σ = 3570211. Its totient is φ = 3566432.

The previous prime is 3568307. The next prime is 3568337. The reversal of 3568321 is 1238653.

The square root of 3568321 is 1889.

It is a perfect power (a square), and thus also a powerful number.

3568321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1718721 + 1849600 = 1311^2 + 1360^2 .

It is not a de Polignac number, because 3568321 - 2¹¹ = 3566273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3568321.

It is not an unprimeable number, because it can be changed into a prime (3568361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 945 + ... + 2833.

Almost surely, 2^3568321 is an apocalyptic number.

3568321 is the 1889-th square number.

3568321 is the 945-th centered octagonal number.

It is an amenable number.

3568321 is a deficient number, since it is larger than the sum of its proper divisors (1890).

3568321 is an frugal number, since it uses more digits than its factorization.

3568321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778 (or 1889 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The cubic root of 3568321 is about 152.8110073346.

The spelling of 3568321 in words is "three million, five hundred sixty-eight thousand, three hundred twenty-one".