3323681 has 2 divisors, whose sum is σ = 3323682. Its totient is φ = 3323680.

The previous prime is 3323659. The next prime is 3323693. The reversal of 3323681 is 1863233.

3323681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3150625 + 173056 = 1775^2 + 416^2 .

It is a cyclic number.

It is not a de Polignac number, because 3323681 - 2¹⁸ = 3061537 is a prime.

It is a super-2 number, since 2×3323681² = 22093710779522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3323681.

It is not a weakly prime, because it can be changed into another prime (3323611) 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 as a sum of consecutive naturals, namely, 1661840 + 1661841.

It is an arithmetic number, because the mean of its divisors is an integer number (1661841).

Almost surely, 2^3323681 is an apocalyptic number.

It is an amenable number.

3323681 is a deficient number, since it is larger than the sum of its proper divisors (1).

3323681 is an equidigital number, since it uses as much as digits as its factorization.

3323681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The square root of 3323681 is about 1823.0965416017. The cubic root of 3323681 is about 149.2358321124.

It can be divided in two parts, 3323 and 681, that added together give a palindrome (4004).

The spelling of 3323681 in words is "three million, three hundred twenty-three thousand, six hundred eighty-one".