2890889 has 2 divisors, whose sum is σ = 2890890. Its totient is φ = 2890888.

The previous prime is 2890883. The next prime is 2890897. The reversal of 2890889 is 9880982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2805625 + 85264 = 1675^2 + 292^2 .

It is a cyclic number.

It is not a de Polignac number, because 2890889 - 2¹⁶ = 2825353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2890883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445444 + 1445445.

It is an arithmetic number, because the mean of its divisors is an integer number (1445445).

2^2890889 is an apocalyptic number.

It is an amenable number.

2890889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890889 is an equidigital number, since it uses as much as digits as its factorization.

2890889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 44.

The square root of 2890889 is about 1700.2614504834. The cubic root of 2890889 is about 142.4548169052.

The spelling of 2890889 in words is "two million, eight hundred ninety thousand, eight hundred eighty-nine".