3360661 has 2 divisors, whose sum is σ = 3360662. Its totient is φ = 3360660.

The previous prime is 3360659. The next prime is 3360667. The reversal of 3360661 is 1660633.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3352561 + 8100 = 1831^2 + 90^2 .

It is a cyclic number.

It is not a de Polignac number, because 3360661 - 2¹ = 3360659 is a prime.

It is a super-2 number, since 2×3360661² = 22588084713842, which contains 22 as substring.

Together with 3360659, it forms a pair of twin primes.

3360661 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3360667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1680330 + 1680331.

It is an arithmetic number, because the mean of its divisors is an integer number (1680331).

Almost surely, 2^3360661 is an apocalyptic number.

It is an amenable number.

3360661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3360661 is an equidigital number, since it uses as much as digits as its factorization.

3360661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3360661 is about 1833.2105716475. The cubic root of 3360661 is about 149.7872688159.

The spelling of 3360661 in words is "three million, three hundred sixty thousand, six hundred sixty-one".