3065666 has 4 divisors (see below), whose sum is σ = 4598502. Its totient is φ = 1532832.

The previous prime is 3065663. The next prime is 3065681. The reversal of 3065666 is 6665603.

3065666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6665603 = 7 ⋅952229.

It can be written as a sum of positive squares in only one way, i.e., 1809025 + 1256641 = 1345^2 + 1121^2 .

It is not an unprimeable number, because it can be changed into a prime (3065663) 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 as a sum of consecutive naturals, namely, 766415 + ... + 766418.

Almost surely, 2^3065666 is an apocalyptic number.

3065666 is a deficient number, since it is larger than the sum of its proper divisors (1532836).

3065666 is a wasteful number, since it uses less digits than its factorization.

3065666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532835.

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

The square root of 3065666 is about 1750.9043377638. The cubic root of 3065666 is about 145.2696685959.

The spelling of 3065666 in words is "three million, sixty-five thousand, six hundred sixty-six".