2194636 has 12 divisors (see below), whose sum is σ = 3859128. Its totient is φ = 1092032.

The previous prime is 2194631. The next prime is 2194639. The reversal of 2194636 is 6364912.

2194636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2194598 and 2194607.

It is not an unprimeable number, because it can be changed into a prime (2194631) 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, 301 + ... + 2116.

It is an arithmetic number, because the mean of its divisors is an integer number (321594).

2^2194636 is an apocalyptic number.

It is an amenable number.

2194636 is a deficient number, since it is larger than the sum of its proper divisors (1664492).

2194636 is a wasteful number, since it uses less digits than its factorization.

2194636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2646 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 2194636 is about 1481.4303898597. The cubic root of 2194636 is about 129.9533560472.

The spelling of 2194636 in words is "two million, one hundred ninety-four thousand, six hundred thirty-six".