2099887 has 2 divisors, whose sum is σ = 2099888. Its totient is φ = 2099886.

The previous prime is 2099863. The next prime is 2099893. The reversal of 2099887 is 7889902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2099887 - 2¹⁵ = 2067119 is a prime.

2099887 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2099827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049943 + 1049944.

It is an arithmetic number, because the mean of its divisors is an integer number (1049944).

2^2099887 is an apocalyptic number.

2099887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099887 is an equidigital number, since it uses as much as digits as its factorization.

2099887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 2099887 is about 1449.0986853903. The cubic root of 2099887 is about 128.0556195457.

The spelling of 2099887 in words is "two million, ninety-nine thousand, eight hundred eighty-seven".