3660667 has 2 divisors, whose sum is σ = 3660668. Its totient is φ = 3660666.

The previous prime is 3660653. The next prime is 3660677. The reversal of 3660667 is 7660663.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3660667 is a prime.

It is a super-3 number, since 3×3660667³ (a number of 21 digits) contains 333 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3660607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830333 + 1830334.

It is an arithmetic number, because the mean of its divisors is an integer number (1830334).

Almost surely, 2^3660667 is an apocalyptic number.

3660667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660667 is an equidigital number, since it uses as much as digits as its factorization.

3660667 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 3660667 is about 1913.2869622720. The cubic root of 3660667 is about 154.1180154577.

The spelling of 3660667 in words is "three million, six hundred sixty thousand, six hundred sixty-seven".