2099799 has 24 divisors (see below), whose sum is σ = 3315312. Its totient is φ = 1272960.

The previous prime is 2099771. The next prime is 2099809. The reversal of 2099799 is 9979902.

It is not a de Polignac number, because 2099799 - 2⁵ = 2099767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15259 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (138138).

2^2099799 is an apocalyptic number.

2099799 is a deficient number, since it is larger than the sum of its proper divisors (1215513).

2099799 is a wasteful number, since it uses less digits than its factorization.

2099799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 45.

The square root of 2099799 is about 1449.0683213707. The cubic root of 2099799 is about 128.0538307111.

The spelling of 2099799 in words is "two million, ninety-nine thousand, seven hundred ninety-nine".