2744889 has 16 divisors (see below), whose sum is σ = 4365312. Its totient is φ = 1500048.

The previous prime is 2744881. The next prime is 2744891. The reversal of 2744889 is 9884472.

2744889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2744889 - 2³ = 2744881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2744889.

It is not an unprimeable number, because it can be changed into a prime (2744881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359 + ... + 3324.

It is an arithmetic number, because the mean of its divisors is an integer number (272832).

2^2744889 is an apocalyptic number.

It is an amenable number.

2744889 is a deficient number, since it is larger than the sum of its proper divisors (1620423).

2744889 is a wasteful number, since it uses less digits than its factorization.

2744889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716.

The product of its digits is 129024, while the sum is 42.

The square root of 2744889 is about 1656.7706540134. The cubic root of 2744889 is about 140.0151174152.

The spelling of 2744889 in words is "two million, seven hundred forty-four thousand, eight hundred eighty-nine".