2099895 has 24 divisors (see below), whose sum is σ = 3909744. Its totient is φ = 959616.

The previous prime is 2099893. The next prime is 2099921. The reversal of 2099895 is 5989902.

It is not a de Polignac number, because 2099895 - 2¹ = 2099893 is a prime.

It is a super-2 number, since 2×2099895² = 8819118022050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099893) 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, 694 + ... + 2163.

It is an arithmetic number, because the mean of its divisors is an integer number (162906).

2^2099895 is an apocalyptic number.

2099895 is a deficient number, since it is larger than the sum of its proper divisors (1809849).

2099895 is a wasteful number, since it uses less digits than its factorization.

2099895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879 (or 2872 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 2099895 is about 1449.1014457242. The cubic root of 2099895 is about 128.0557821646.

The spelling of 2099895 in words is "two million, ninety-nine thousand, eight hundred ninety-five".