201836 has 6 divisors (see below), whose sum is σ = 353220. Its totient is φ = 100916.

The previous prime is 201833. The next prime is 201847. The reversal of 201836 is 638102.

201836 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (201833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25226 + ... + 25233.

It is an arithmetic number, because the mean of its divisors is an integer number (58870).

2²⁰¹⁸³⁶ is an apocalyptic number.

It is an amenable number.

201836 is a deficient number, since it is larger than the sum of its proper divisors (151384).

201836 is a wasteful number, since it uses less digits than its factorization.

201836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50463 (or 50461 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 201836 is about 449.2616164330. The cubic root of 201836 is about 58.6587598389.

Adding to 201836 its reverse (638102), we get a palindrome (839938).

The spelling of 201836 in words is "two hundred one thousand, eight hundred thirty-six".