2666894 has 8 divisors (see below), whose sum is σ = 4009008. Its totient is φ = 1330560.

The previous prime is 2666891. The next prime is 2666929. The reversal of 2666894 is 4986662.

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

It is a super-2 number, since 2×2666894² = 14224647214472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666891) 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, 2 + ... + 2309.

It is an arithmetic number, because the mean of its divisors is an integer number (501126).

2^2666894 is an apocalyptic number.

2666894 is a deficient number, since it is larger than the sum of its proper divisors (1342114).

2666894 is a wasteful number, since it uses less digits than its factorization.

2666894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890.

The product of its digits is 124416, while the sum is 41.

The square root of 2666894 is about 1633.0627667056. The cubic root of 2666894 is about 138.6761953614.

It can be divided in two parts, 26668 and 94, that added together give a palindrome (26762).

The spelling of 2666894 in words is "two million, six hundred sixty-six thousand, eight hundred ninety-four".