2183949 has 16 divisors (see below), whose sum is σ = 3306240. Its totient is φ = 1424160.

The previous prime is 2183921. The next prime is 2183953. The reversal of 2183949 is 9493812.

It is not a de Polignac number, because 2183949 - 2⁷ = 2183821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409 + ... + 2129.

It is an arithmetic number, because the mean of its divisors is an integer number (206640).

2^2183949 is an apocalyptic number.

It is an amenable number.

2183949 is a deficient number, since it is larger than the sum of its proper divisors (1122291).

2183949 is a wasteful number, since it uses less digits than its factorization.

2183949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1771 counting only the distinct ones).

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

The square root of 2183949 is about 1477.8190010959. The cubic root of 2183949 is about 129.7420724215.

The spelling of 2183949 in words is "two million, one hundred eighty-three thousand, nine hundred forty-nine".