2183636 has 36 divisors (see below), whose sum is σ = 4792788. Its totient is φ = 862848.

The previous prime is 2183593. The next prime is 2183641. The reversal of 2183636 is 6363812.

2183636 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1223236 + 960400 = 1106^2 + 980^2 .

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2183599 and 2183608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2120 + ... + 2976.

It is an arithmetic number, because the mean of its divisors is an integer number (133133).

2^2183636 is an apocalyptic number.

2183636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2183636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2396394).

2183636 is an abundant number, since it is smaller than the sum of its proper divisors (2609152).

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

2183636 is a wasteful number, since it uses less digits than its factorization.

2183636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 879 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 2183636 is about 1477.7130979997. The cubic root of 2183636 is about 129.7358739848.

The spelling of 2183636 in words is "two million, one hundred eighty-three thousand, six hundred thirty-six".