2099611 has 2 divisors, whose sum is σ = 2099612. Its totient is φ = 2099610.

The previous prime is 2099593. The next prime is 2099623. The reversal of 2099611 is 1169902.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2099611 - 2¹⁷ = 1968539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2099611.

It is not a weakly prime, because it can be changed into another prime (2099641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049805 + 1049806.

It is an arithmetic number, because the mean of its divisors is an integer number (1049806).

2^2099611 is an apocalyptic number.

2099611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099611 is an equidigital number, since it uses as much as digits as its factorization.

2099611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 2099611 is about 1449.0034506515. The cubic root of 2099611 is about 128.0500089423.

The spelling of 2099611 in words is "two million, ninety-nine thousand, six hundred eleven".