216314200 has 48 divisors (see below), whose sum is σ = 512444880. Its totient is φ = 84888960.

The previous prime is 216314191. The next prime is 216314201. The reversal of 216314200 is 2413612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216314201) 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 11 ways as a sum of consecutive naturals, for example, 397 + ... + 20803.

It is an arithmetic number, because the mean of its divisors is an integer number (10675935).

Almost surely, 2^216314200 is an apocalyptic number.

216314200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216314200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256222440).

216314200 is an abundant number, since it is smaller than the sum of its proper divisors (296130680).

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

216314200 is a wasteful number, since it uses less digits than its factorization.

216314200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476 (or 20467 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 216314200 is about 14707.6238733522. The cubic root of 216314200 is about 600.2907849767.

Adding to 216314200 its reverse (2413612), we get a palindrome (218727812).

The spelling of 216314200 in words is "two hundred sixteen million, three hundred fourteen thousand, two hundred".