2183156 has 6 divisors (see below), whose sum is σ = 3820530. Its totient is φ = 1091576.

The previous prime is 2183141. The next prime is 2183171. The reversal of 2183156 is 6513812.

It is an interprime number because it is at equal distance from previous prime (2183141) and next prime (2183171).

It can be written as a sum of positive squares in only one way, i.e., 2102500 + 80656 = 1450^2 + 284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272891 + ... + 272898.

It is an arithmetic number, because the mean of its divisors is an integer number (636755).

2^2183156 is an apocalyptic number.

It is an amenable number.

2183156 is a deficient number, since it is larger than the sum of its proper divisors (1637374).

2183156 is a wasteful number, since it uses less digits than its factorization.

2183156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545793 (or 545791 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 2183156 is about 1477.5506759499. The cubic root of 2183156 is about 129.7263672442.

Adding to 2183156 its reverse (6513812), we get a palindrome (8696968).

The spelling of 2183156 in words is "two million, one hundred eighty-three thousand, one hundred fifty-six".