2744689 has 2 divisors, whose sum is σ = 2744690. Its totient is φ = 2744688.

The previous prime is 2744639. The next prime is 2744699. The reversal of 2744689 is 9864472.

2744689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2131600 + 613089 = 1460^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 2744689 - 2¹³ = 2736497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2744629) 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 as a sum of consecutive naturals, namely, 1372344 + 1372345.

It is an arithmetic number, because the mean of its divisors is an integer number (1372345).

2^2744689 is an apocalyptic number.

It is an amenable number.

2744689 is a deficient number, since it is larger than the sum of its proper divisors (1).

2744689 is an equidigital number, since it uses as much as digits as its factorization.

2744689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 2744689 is about 1656.7102945295. The cubic root of 2744689 is about 140.0117167065.

The spelling of 2744689 in words is "two million, seven hundred forty-four thousand, six hundred eighty-nine".