2668189 has 8 divisors (see below), whose sum is σ = 2823840. Its totient is φ = 2514096.

The previous prime is 2668177. The next prime is 2668199. The reversal of 2668189 is 9818662.

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

It is a cyclic number.

It is not a de Polignac number, because 2668189 - 2¹¹ = 2666141 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2668129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5802 + ... + 6244.

It is an arithmetic number, because the mean of its divisors is an integer number (352980).

2^2668189 is an apocalyptic number.

It is an amenable number.

2668189 is a deficient number, since it is larger than the sum of its proper divisors (155651).

2668189 is a wasteful number, since it uses less digits than its factorization.

2668189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779.

The product of its digits is 41472, while the sum is 40.

The square root of 2668189 is about 1633.4592128364. The cubic root of 2668189 is about 138.6986380248.

The spelling of 2668189 in words is "two million, six hundred sixty-eight thousand, one hundred eighty-nine".