2847289 has 2 divisors, whose sum is σ = 2847290. Its totient is φ = 2847288.

The previous prime is 2847287. The next prime is 2847293. The reversal of 2847289 is 9827482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863225 + 984064 = 1365^2 + 992^2 .

It is a cyclic number.

It is not a de Polignac number, because 2847289 - 2¹ = 2847287 is a prime.

Together with 2847287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2847287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1423644 + 1423645.

It is an arithmetic number, because the mean of its divisors is an integer number (1423645).

2^2847289 is an apocalyptic number.

It is an amenable number.

2847289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2847289 is an equidigital number, since it uses as much as digits as its factorization.

2847289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 40.

The square root of 2847289 is about 1687.3911816766. The cubic root of 2847289 is about 141.7350246034.

It can be divided in two parts, 28472 and 89, that added together give a 4-th power (28561 = 13⁴).

The spelling of 2847289 in words is "two million, eight hundred forty-seven thousand, two hundred eighty-nine".