2195994 has 16 divisors (see below), whose sum is σ = 4583232. Its totient is φ = 700128.

The previous prime is 2195989. The next prime is 2196011. The reversal of 2195994 is 4995912.

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 7 ways as a sum of consecutive naturals, for example, 7819 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (286452).

2^2195994 is an apocalyptic number.

2195994 is an abundant number, since it is smaller than the sum of its proper divisors (2387238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2195994 is a wasteful number, since it uses less digits than its factorization.

2195994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15941.

The product of its digits is 29160, while the sum is 39.

The square root of 2195994 is about 1481.8886597852. Note that the first 3 decimals coincide. The cubic root of 2195994 is about 129.9801547616.

The spelling of 2195994 in words is "two million, one hundred ninety-five thousand, nine hundred ninety-four".