2183994 has 12 divisors (see below), whose sum is σ = 4732026. Its totient is φ = 727992.

The previous prime is 2183969. The next prime is 2184001. The reversal of 2183994 is 4993812.

It can be written as a sum of positive squares in only one way, i.e., 2064969 + 119025 = 1437^2 + 345^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60649 + ... + 60684.

2^2183994 is an apocalyptic number.

2183994 is an abundant number, since it is smaller than the sum of its proper divisors (2548032).

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

2183994 is a wasteful number, since it uses less digits than its factorization.

2183994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121341 (or 121338 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2183994 is about 1477.8342261566. The cubic root of 2183994 is about 129.7429635219.

The spelling of 2183994 in words is "two million, one hundred eighty-three thousand, nine hundred ninety-four".