2899009 has 2 divisors, whose sum is σ = 2899010. Its totient is φ = 2899008.

The previous prime is 2898991. The next prime is 2899019. The reversal of 2899009 is 9009982.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2259009 + 640000 = 1503^2 + 800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2899009 - 2⁵ = 2898977 is a prime.

It is a Chen prime.

2899009 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2899019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449504 + 1449505.

It is an arithmetic number, because the mean of its divisors is an integer number (1449505).

2^2899009 is an apocalyptic number.

It is an amenable number.

2899009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2899009 is an equidigital number, since it uses as much as digits as its factorization.

2899009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 2899009 is about 1702.6476441120. The cubic root of 2899009 is about 142.5880690848.

The spelling of 2899009 in words is "two million, eight hundred ninety-nine thousand, nine".