2193194 has 8 divisors (see below), whose sum is σ = 3343908. Its totient is φ = 1078560.

The previous prime is 2193181. The next prime is 2193197. The reversal of 2193194 is 4913912.

It is a happy number.

2193194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2002225 + 190969 = 1415^2 + 437^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2193197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8867 + ... + 9110.

2^2193194 is an apocalyptic number.

2193194 is a deficient number, since it is larger than the sum of its proper divisors (1150714).

2193194 is a wasteful number, since it uses less digits than its factorization.

2193194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18040.

The product of its digits is 1944, while the sum is 29.

The square root of 2193194 is about 1480.9436181030. The cubic root of 2193194 is about 129.9248875758.

The spelling of 2193194 in words is "two million, one hundred ninety-three thousand, one hundred ninety-four".