3666323 has 2 divisors, whose sum is σ = 3666324. Its totient is φ = 3666322.

The previous prime is 3666317. The next prime is 3666331. The reversal of 3666323 is 3236663.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3666323 - 2¹² = 3662227 is a prime.

It is not a weakly prime, because it can be changed into another prime (3666023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833161 + 1833162.

It is an arithmetic number, because the mean of its divisors is an integer number (1833162).

Almost surely, 2^3666323 is an apocalyptic number.

3666323 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666323 is an equidigital number, since it uses as much as digits as its factorization.

3666323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 29.

The square root of 3666323 is about 1914.7644763782. The cubic root of 3666323 is about 154.1973491727.

The spelling of 3666323 in words is "three million, six hundred sixty-six thousand, three hundred twenty-three".