216302324 has 24 divisors (see below), whose sum is σ = 433614720. Its totient is φ = 92484576.

The previous prime is 216302323. The next prime is 216302363. The reversal of 216302324 is 423203612.

It is a self number, because there is not a number n which added to its sum of digits gives 216302324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216302321) 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 7 ways as a sum of consecutive naturals, for example, 3494 + ... + 21090.

It is an arithmetic number, because the mean of its divisors is an integer number (18067280).

Almost surely, 2^216302324 is an apocalyptic number.

It is an amenable number.

216302324 is an abundant number, since it is smaller than the sum of its proper divisors (217312396).

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

216302324 is a wasteful number, since it uses less digits than its factorization.

216302324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18047 (or 18045 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 216302324 is about 14707.2201316224. The cubic root of 216302324 is about 600.2797991301.

Adding to 216302324 its reverse (423203612), we get a palindrome (639505936).

The spelling of 216302324 in words is "two hundred sixteen million, three hundred two thousand, three hundred twenty-four".