2109995 has 8 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 1682560.

The previous prime is 2109979. The next prime is 2110001. The reversal of 2109995 is 5999012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2109995 - 2⁴ = 2109979 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1955 + ... + 2835.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

2^2109995 is an apocalyptic number.

2109995 is a deficient number, since it is larger than the sum of its proper divisors (430165).

2109995 is an equidigital number, since it uses as much as digits as its factorization.

2109995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365.

The product of its (nonzero) digits is 7290, while the sum is 35.

The square root of 2109995 is about 1452.5821835614. The cubic root of 2109995 is about 128.2607599265.

The spelling of 2109995 in words is "two million, one hundred nine thousand, nine hundred ninety-five".