2183966 has 4 divisors (see below), whose sum is σ = 3275952. Its totient is φ = 1091982.

The previous prime is 2183963. The next prime is 2183969. The reversal of 2183966 is 6693812.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2183963) and next prime (2183969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545990 + ... + 545993.

It is an arithmetic number, because the mean of its divisors is an integer number (818988).

2^2183966 is an apocalyptic number.

2183966 is a deficient number, since it is larger than the sum of its proper divisors (1091986).

2183966 is a wasteful number, since it uses less digits than its factorization.

2183966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091985.

The product of its digits is 15552, while the sum is 35.

The square root of 2183966 is about 1477.8247528039. The cubic root of 2183966 is about 129.7424090609.

The spelling of 2183966 in words is "two million, one hundred eighty-three thousand, nine hundred sixty-six".