201838383 has 12 divisors (see below), whose sum is σ = 294821280. Its totient is φ = 133046496.

The previous prime is 201838379. The next prime is 201838391. The reversal of 201838383 is 383838102.

It is not a de Polignac number, because 201838383 - 2² = 201838379 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201838183) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125191 + ... + 126792.

It is an arithmetic number, because the mean of its divisors is an integer number (24568440).

Almost surely, 2^201838383 is an apocalyptic number.

201838383 is a deficient number, since it is larger than the sum of its proper divisors (92982897).

201838383 is a wasteful number, since it uses less digits than its factorization.

201838383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252078 (or 252075 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 201838383 is about 14206.9835996245. The cubic root of 201838383 is about 586.5899069180.

It can be divided in two parts, 2018 and 38383, that added together give a square (40401 = 201²).

The spelling of 201838383 in words is "two hundred one million, eight hundred thirty-eight thousand, three hundred eighty-three".