2193994 has 16 divisors (see below), whose sum is σ = 3707136. Its totient is φ = 964800.

The previous prime is 2193979. The next prime is 2194013. The reversal of 2193994 is 4993912.

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, 927 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (231696).

2^2193994 is an apocalyptic number.

2193994 is a deficient number, since it is larger than the sum of its proper divisors (1513142).

2193994 is a wasteful number, since it uses less digits than its factorization.

2193994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3261.

The product of its digits is 17496, while the sum is 37.

The square root of 2193994 is about 1481.2136915381. The cubic root of 2193994 is about 129.9406829979.

The spelling of 2193994 in words is "two million, one hundred ninety-three thousand, nine hundred ninety-four".