2730944 has 28 divisors (see below), whose sum is σ = 5504688. Its totient is φ = 1344000.

The previous prime is 2730929. The next prime is 2730947. The reversal of 2730944 is 4490372.

It is a super-2 number, since 2×2730944² = 14916110262272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730947) 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, 4244 + ... + 4844.

It is an arithmetic number, because the mean of its divisors is an integer number (196596).

2^2730944 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 2730944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2752344).

2730944 is an abundant number, since it is smaller than the sum of its proper divisors (2773744).

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

2730944 is an equidigital number, since it uses as much as digits as its factorization.

2730944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 2730944 is about 1652.5568068905. The cubic root of 2730944 is about 139.7776060918. Note that the first 3 decimals are identical.

The spelling of 2730944 in words is "two million, seven hundred thirty thousand, nine hundred forty-four".