3018666 has 32 divisors (see below), whose sum is σ = 7072128. Its totient is φ = 840960.

The previous prime is 3018661. The next prime is 3018667. The reversal of 3018666 is 6668103.

3018666 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3018666² = 18224688839112, which contains 22 as substring.

3018666 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (3018661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 846 + ... + 2598.

It is an arithmetic number, because the mean of its divisors is an integer number (221004).

Almost surely, 2^3018666 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3018666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3536064).

3018666 is an abundant number, since it is smaller than the sum of its proper divisors (4053462).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3018666 is a wasteful number, since it uses less digits than its factorization.

3018666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3018666 is about 1737.4308619338. The cubic root of 3018666 is about 144.5234613470.

The spelling of 3018666 in words is "three million, eighteen thousand, six hundred sixty-six".