3666683 has 4 divisors (see below), whose sum is σ = 3826128. Its totient is φ = 3507240.

The previous prime is 3666661. The next prime is 3666703. The reversal of 3666683 is 3866663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3866663 = 311 ⋅12433.

It is a cyclic number.

It is not a de Polignac number, because 3666683 - 2⁸ = 3666427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3666613) 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 in 3 ways as a sum of consecutive naturals, for example, 79688 + ... + 79733.

It is an arithmetic number, because the mean of its divisors is an integer number (956532).

Almost surely, 2^3666683 is an apocalyptic number.

3666683 is a deficient number, since it is larger than the sum of its proper divisors (159445).

3666683 is a wasteful number, since it uses less digits than its factorization.

3666683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159444.

The product of its digits is 93312, while the sum is 38.

The square root of 3666683 is about 1914.8584804105. The cubic root of 3666683 is about 154.2023959393.

The spelling of 3666683 in words is "three million, six hundred sixty-six thousand, six hundred eighty-three".