2109994 has 8 divisors (see below), whose sum is σ = 3171168. Its totient is φ = 1052940.

The previous prime is 2109979. The next prime is 2110001. The reversal of 2109994 is 4999012.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389 + ... + 2479.

It is an arithmetic number, because the mean of its divisors is an integer number (396396).

2^2109994 is an apocalyptic number.

2109994 is a deficient number, since it is larger than the sum of its proper divisors (1061174).

2109994 is a wasteful number, since it uses less digits than its factorization.

2109994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 2109994 is about 1452.5818393468. The cubic root of 2109994 is about 128.2607396640.

The spelling of 2109994 in words is "two million, one hundred nine thousand, nine hundred ninety-four".