201828383 has 4 divisors (see below), whose sum is σ = 208339008. Its totient is φ = 195317760.

The previous prime is 201828379. The next prime is 201828391. The reversal of 201828383 is 383828102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201828383 - 2² = 201828379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201828323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3255266 + ... + 3255327.

It is an arithmetic number, because the mean of its divisors is an integer number (52084752).

Almost surely, 2^201828383 is an apocalyptic number.

201828383 is a deficient number, since it is larger than the sum of its proper divisors (6510625).

201828383 is an equidigital number, since it uses as much as digits as its factorization.

201828383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6510624.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 201828383 is about 14206.6316556741. The cubic root of 201828383 is about 586.5802193058.

The spelling of 201828383 in words is "two hundred one million, eight hundred twenty-eight thousand, three hundred eighty-three".