2268784 has 40 divisors (see below), whose sum is σ = 5142528. Its totient is φ = 949440.

The previous prime is 2268779. The next prime is 2268793. The reversal of 2268784 is 4878622.

It is a congruent number.

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, 5049 + ... + 5479.

2^2268784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2268784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2571264).

2268784 is an abundant number, since it is smaller than the sum of its proper divisors (2873744).

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

2268784 is a wasteful number, since it uses less digits than its factorization.

2268784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493 (or 487 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 2268784 is about 1506.2483195011. The cubic root of 2268784 is about 131.4007115311.

The spelling of 2268784 in words is "two million, two hundred sixty-eight thousand, seven hundred eighty-four".