2666244 has 24 divisors (see below), whose sum is σ = 7110208. Its totient is φ = 761760.

The previous prime is 2666227. The next prime is 2666267. The reversal of 2666244 is 4426662.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15787 + ... + 15954.

2^2666244 is an apocalyptic number.

It is an amenable number.

2666244 is an abundant number, since it is smaller than the sum of its proper divisors (4443964).

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

2666244 is a wasteful number, since it uses less digits than its factorization.

2666244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31755 (or 31753 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 2666244 is about 1632.8637420189. The cubic root of 2666244 is about 138.6649279655.

The spelling of 2666244 in words is "two million, six hundred sixty-six thousand, two hundred forty-four".