3563666 has 8 divisors (see below), whose sum is σ = 5577984. Its totient is φ = 1704340.

The previous prime is 3563657. The next prime is 3563671. The reversal of 3563666 is 6663653.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38690 + ... + 38781.

It is an arithmetic number, because the mean of its divisors is an integer number (697248).

Almost surely, 2^3563666 is an apocalyptic number.

3563666 is a deficient number, since it is larger than the sum of its proper divisors (2014318).

3563666 is a wasteful number, since it uses less digits than its factorization.

3563666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77496.

The product of its digits is 58320, while the sum is 35.

The square root of 3563666 is about 1887.7674644934. The cubic root of 3563666 is about 152.7445293108.

The spelling of 3563666 in words is "three million, five hundred sixty-three thousand, six hundred sixty-six".