2194684 has 6 divisors (see below), whose sum is σ = 3840704. Its totient is φ = 1097340.

The previous prime is 2194679. The next prime is 2194697. The reversal of 2194684 is 4864912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274332 + ... + 274339.

2^2194684 is an apocalyptic number.

It is an amenable number.

2194684 is a deficient number, since it is larger than the sum of its proper divisors (1646020).

2194684 is a wasteful number, since it uses less digits than its factorization.

2194684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548675 (or 548673 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 2194684 is about 1481.4465903299. The cubic root of 2194684 is about 129.9543034656.

The spelling of 2194684 in words is "two million, one hundred ninety-four thousand, six hundred eighty-four".