2099115 has 40 divisors (see below), whose sum is σ = 3868128. Its totient is φ = 1088640.

The previous prime is 2099093. The next prime is 2099129. The reversal of 2099115 is 5119902.

It is a happy number.

It is not a de Polignac number, because 2099115 - 2¹³ = 2090923 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28719 + ... + 28791.

2^2099115 is an apocalyptic number.

2099115 is a deficient number, since it is larger than the sum of its proper divisors (1769013).

2099115 is an equidigital number, since it uses as much as digits as its factorization.

2099115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 2099115 is about 1448.8322884309. The cubic root of 2099115 is about 128.0399248828.

The spelling of 2099115 in words is "two million, ninety-nine thousand, one hundred fifteen".