2890999 has 2 divisors, whose sum is σ = 2891000. Its totient is φ = 2890998.

The previous prime is 2890997. The next prime is 2891011. The reversal of 2890999 is 9990982.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2890999 - 2¹ = 2890997 is a prime.

Together with 2890997, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2890997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445499 + 1445500.

It is an arithmetic number, because the mean of its divisors is an integer number (1445500).

2^2890999 is an apocalyptic number.

2890999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890999 is an equidigital number, since it uses as much as digits as its factorization.

2890999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 46.

The square root of 2890999 is about 1700.2937981420. The cubic root of 2890999 is about 142.4566237117.

The spelling of 2890999 in words is "two million, eight hundred ninety thousand, nine hundred ninety-nine".