2740288 has 28 divisors (see below), whose sum is σ = 5559552. Its totient is φ = 1339520.

The previous prime is 2740267. The next prime is 2740291. The reversal of 2740288 is 8820472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2553 + ... + 3463.

2^2740288 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 2740288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2779776).

2740288 is an abundant number, since it is smaller than the sum of its proper divisors (2819264).

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

2740288 is an equidigital number, since it uses as much as digits as its factorization.

2740288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 2740288 is about 1655.3815270203. The cubic root of 2740288 is about 139.9368422604.

The spelling of 2740288 in words is "two million, seven hundred forty thousand, two hundred eighty-eight".