3061666 has 12 divisors (see below), whose sum is σ = 4879458. Its totient is φ = 1440512.

The previous prime is 3061661. The next prime is 3061673. The reversal of 3061666 is 6661603.

It can be written as a sum of positive squares in 3 ways, for example, as 3045025 + 16641 = 1745^2 + 129^2 .

It is not an unprimeable number, because it can be changed into a prime (3061661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2071 + ... + 3226.

Almost surely, 2^3061666 is an apocalyptic number.

3061666 is a deficient number, since it is larger than the sum of its proper divisors (1817792).

3061666 is a wasteful number, since it uses less digits than its factorization.

3061666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333 (or 5316 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 3061666 is about 1749.7616980606. The cubic root of 3061666 is about 145.2064597551.

It can be divided in two parts, 306 and 1666, that multiplied together give a square (509796 = 714²).

The spelling of 3061666 in words is "three million, sixty-one thousand, six hundred sixty-six".