2643366 has 32 divisors (see below), whose sum is σ = 5832576. Its totient is φ = 798600.

The previous prime is 2643353. The next prime is 2643383. The reversal of 2643366 is 6633462.

It is a d-powerful number, because it can be written as 2⁷ + 6 + 4¹⁰ + 3⁴ + 3¹³ + 6² + 6³ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7821 + ... + 8151.

It is an arithmetic number, because the mean of its divisors is an integer number (182268).

2^2643366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2643366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2916288).

2643366 is an abundant number, since it is smaller than the sum of its proper divisors (3189210).

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

2643366 is a wasteful number, since it uses less digits than its factorization.

2643366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 347 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 2643366 is about 1625.8431658681. The cubic root of 2643366 is about 138.2671782514.

The spelling of 2643366 in words is "two million, six hundred forty-three thousand, three hundred sixty-six".