201840382 has 8 divisors (see below), whose sum is σ = 318695400. Its totient is φ = 95608584.

The previous prime is 201840367. The next prime is 201840391. The reversal of 201840382 is 283048102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201840382.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2655757 + ... + 2655832.

It is an arithmetic number, because the mean of its divisors is an integer number (39836925).

Almost surely, 2^201840382 is an apocalyptic number.

201840382 is a deficient number, since it is larger than the sum of its proper divisors (116855018).

201840382 is a wasteful number, since it uses less digits than its factorization.

201840382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311610.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 201840382 is about 14207.0539521746. The cubic root of 201840382 is about 586.5918434333.

Adding to 201840382 its reverse (283048102), we get a palindrome (484888484).

The spelling of 201840382 in words is "two hundred one million, eight hundred forty thousand, three hundred eighty-two".