2866666 has 8 divisors (see below), whose sum is σ = 4690944. Its totient is φ = 1303020.

The previous prime is 2866657. The next prime is 2866667. The reversal of 2866666 is 6666682.

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

2866666 is a modest number, since divided by 6666 gives 286 as remainder.

It is not an unprimeable number, because it can be changed into a prime (2866667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65130 + ... + 65173.

It is an arithmetic number, because the mean of its divisors is an integer number (586368).

2^2866666 is an apocalyptic number.

2866666 is a deficient number, since it is larger than the sum of its proper divisors (1824278).

2866666 is a wasteful number, since it uses less digits than its factorization.

2866666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130316.

The product of its digits is 124416, while the sum is 40.

The square root of 2866666 is about 1693.1231496852. The cubic root of 2866666 is about 142.0558201491.

It can be divided in two parts, 2 and 866666, that added together give a palindrome (866668).

The spelling of 2866666 in words is "two million, eight hundred sixty-six thousand, six hundred sixty-six".