2889427 has 2 divisors, whose sum is σ = 2889428. Its totient is φ = 2889426.

The previous prime is 2889389. The next prime is 2889437. The reversal of 2889427 is 7249882.

2889427 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2889427 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2889427.

It is not a weakly prime, because it can be changed into another prime (2889437) 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, 1444713 + 1444714.

It is an arithmetic number, because the mean of its divisors is an integer number (1444714).

2^2889427 is an apocalyptic number.

2889427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2889427 is an equidigital number, since it uses as much as digits as its factorization.

2889427 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2889427 is about 1699.8314622338. The cubic root of 2889427 is about 142.4307984503.

The spelling of 2889427 in words is "two million, eight hundred eighty-nine thousand, four hundred twenty-seven".