3506666 has 8 divisors (see below), whose sum is σ = 5292000. Its totient is φ = 1742668.

The previous prime is 3506663. The next prime is 3506669. The reversal of 3506666 is 6666053.

3506666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3506663) and next prime (3506669).

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

3506666 is a modest number, since divided by 6666 gives 350 as remainder.

It is not an unprimeable number, because it can be changed into a prime (3506663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4916 + ... + 5583.

It is an arithmetic number, because the mean of its divisors is an integer number (661500).

Almost surely, 2^3506666 is an apocalyptic number.

3506666 is a deficient number, since it is larger than the sum of its proper divisors (1785334).

3506666 is a wasteful number, since it uses less digits than its factorization.

3506666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10668.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 3506666 is about 1872.6094093537. The cubic root of 3506666 is about 151.9257774745.

The spelling of 3506666 in words is "three million, five hundred six thousand, six hundred sixty-six".