2889449 has 2 divisors, whose sum is σ = 2889450. Its totient is φ = 2889448.

The previous prime is 2889443. The next prime is 2889457. The reversal of 2889449 is 9449882.

It is a happy number.

2889449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1525225 + 1364224 = 1235^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2889449 - 2¹² = 2885353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2889443) 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, 1444724 + 1444725.

It is an arithmetic number, because the mean of its divisors is an integer number (1444725).

2^2889449 is an apocalyptic number.

It is an amenable number.

2889449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2889449 is an equidigital number, since it uses as much as digits as its factorization.

2889449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 44.

The square root of 2889449 is about 1699.8379334513. The cubic root of 2889449 is about 142.4311599372.

The spelling of 2889449 in words is "two million, eight hundred eighty-nine thousand, four hundred forty-nine".