2899873 has 2 divisors, whose sum is σ = 2899874. Its totient is φ = 2899872.

The previous prime is 2899867. The next prime is 2899903. The reversal of 2899873 is 3789982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2782224 + 117649 = 1668^2 + 343^2 .

It is a cyclic number.

It is not a de Polignac number, because 2899873 - 2²¹ = 802721 is a prime.

It is a super-2 number, since 2×2899873² = 16818526832258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2899823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1449936 + 1449937.

It is an arithmetic number, because the mean of its divisors is an integer number (1449937).

2^2899873 is an apocalyptic number.

It is an amenable number.

2899873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2899873 is an equidigital number, since it uses as much as digits as its factorization.

2899873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 2899873 is about 1702.9013477004. The cubic root of 2899873 is about 142.6022329887.

The spelling of 2899873 in words is "two million, eight hundred ninety-nine thousand, eight hundred seventy-three".