2100236 has 12 divisors (see below), whose sum is σ = 3696000. Its totient is φ = 1044240.

The previous prime is 2100229. The next prime is 2100239. The reversal of 2100236 is 6320012.

It is a self number, because there is not a number n which added to its sum of digits gives 2100236.

It is not an unprimeable number, because it can be changed into a prime (2100239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (308000).

2^2100236 is an apocalyptic number.

It is an amenable number.

2100236 is a deficient number, since it is larger than the sum of its proper divisors (1595764).

2100236 is a wasteful number, since it uses less digits than its factorization.

2100236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2942 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2100236 is about 1449.2191000673. The cubic root of 2100236 is about 128.0627134093.

Adding to 2100236 its reverse (6320012), we get a palindrome (8420248).

The spelling of 2100236 in words is "two million, one hundred thousand, two hundred thirty-six".