3336661 has 2 divisors, whose sum is σ = 3336662. Its totient is φ = 3336660.

The previous prime is 3336659. The next prime is 3336677. The reversal of 3336661 is 1666333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3294225 + 42436 = 1815^2 + 206^2 .

It is a cyclic number.

It is not a de Polignac number, because 3336661 - 2¹ = 3336659 is a prime.

It is a super-2 number, since 2×3336661² = 22266613257842, which contains 22 as substring.

Together with 3336659, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3336601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1668330 + 1668331.

It is an arithmetic number, because the mean of its divisors is an integer number (1668331).

Almost surely, 2^3336661 is an apocalyptic number.

It is an amenable number.

3336661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3336661 is an equidigital number, since it uses as much as digits as its factorization.

3336661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 28.

The square root of 3336661 is about 1826.6529500702. The cubic root of 3336661 is about 149.4298504236.

The spelling of 3336661 in words is "three million, three hundred thirty-six thousand, six hundred sixty-one".