201936 has 40 divisors (see below), whose sum is σ = 597184. Its totient is φ = 57600.

The previous prime is 201923. The next prime is 201937. The reversal of 201936 is 639102.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36 + ... + 636.

2²⁰¹⁹³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298592).

201936 is an abundant number, since it is smaller than the sum of its proper divisors (395248).

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

201936 is a wasteful number, since it uses less digits than its factorization.

201936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 201936 is about 449.3728963789. The cubic root of 201936 is about 58.6684457679.

The spelling of 201936 in words is "two hundred one thousand, nine hundred thirty-six".