2254784 has 42 divisors (see below), whose sum is σ = 5212080. Its totient is φ = 964992.

The previous prime is 2254783. The next prime is 2254789. The reversal of 2254784 is 4874522.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 2254784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2777 + ... + 3495.

2^2254784 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 2254784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2606040).

2254784 is an abundant number, since it is smaller than the sum of its proper divisors (2957296).

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

2254784 is an equidigital number, since it uses as much as digits as its factorization.

2254784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 728 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 2254784 is about 1501.5938199127. The cubic root of 2254784 is about 131.1298752763.

The spelling of 2254784 in words is "two million, two hundred fifty-four thousand, seven hundred eighty-four".