2099995 has 4 divisors (see below), whose sum is σ = 2520000. Its totient is φ = 1679992.

The previous prime is 2099963. The next prime is 2100001. The reversal of 2099995 is 5999902.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5999902 = 2 ⋅2999951.

It is a cyclic number.

It is not a de Polignac number, because 2099995 - 2⁵ = 2099963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209995 + ... + 210004.

It is an arithmetic number, because the mean of its divisors is an integer number (630000).

2^2099995 is an apocalyptic number.

2099995 is a deficient number, since it is larger than the sum of its proper divisors (420005).

2099995 is an equidigital number, since it uses as much as digits as its factorization.

2099995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420004.

The product of its (nonzero) digits is 65610, while the sum is 43.

The square root of 2099995 is about 1449.1359494540. The cubic root of 2099995 is about 128.0578148654.

The spelling of 2099995 in words is "two million, ninety-nine thousand, nine hundred ninety-five".