216303382 has 8 divisors (see below), whose sum is σ = 324630936. Its totient is φ = 108093072.

The previous prime is 216303379. The next prime is 216303383. The reversal of 216303382 is 283303612.

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 216303382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216303383) 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, 24543 + ... + 32170.

It is an arithmetic number, because the mean of its divisors is an integer number (40578867).

Almost surely, 2^216303382 is an apocalyptic number.

216303382 is a deficient number, since it is larger than the sum of its proper divisors (108327554).

216303382 is a wasteful number, since it uses less digits than its factorization.

216303382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58622.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 216303382 is about 14707.2561003064. The cubic root of 216303382 is about 600.2807778451.

Adding to 216303382 its reverse (283303612), we get a palindrome (499606994).

The spelling of 216303382 in words is "two hundred sixteen million, three hundred three thousand, three hundred eighty-two".