2168236 has 24 divisors (see below), whose sum is σ = 4368896. Its totient is φ = 922320.

The previous prime is 2168219. The next prime is 2168239. The reversal of 2168236 is 6328612.

2168236 is nontrivially palindromic in base 13.

2168236 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2168239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5725 + ... + 6091.

2^2168236 is an apocalyptic number.

It is an amenable number.

2168236 is an abundant number, since it is smaller than the sum of its proper divisors (2200660).

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

2168236 is a wasteful number, since it uses less digits than its factorization.

2168236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 587 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 2168236 is about 1472.4931239228. The cubic root of 2168236 is about 129.4301686190.

The spelling of 2168236 in words is "two million, one hundred sixty-eight thousand, two hundred thirty-six".