2670666 has 16 divisors (see below), whose sum is σ = 5655744. Its totient is φ = 837824.

The previous prime is 2670653. The next prime is 2670667. The reversal of 2670666 is 6660762.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2670667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12990 + ... + 13193.

It is an arithmetic number, because the mean of its divisors is an integer number (353484).

2^2670666 is an apocalyptic number.

2670666 is an abundant number, since it is smaller than the sum of its proper divisors (2985078).

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

2670666 is a wasteful number, since it uses less digits than its factorization.

2670666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26205.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 2670666 is about 1634.2172438204. The cubic root of 2670666 is about 138.7415448139.

The spelling of 2670666 in words is "two million, six hundred seventy thousand, six hundred sixty-six".