216234024 has 16 divisors (see below), whose sum is σ = 540585120. Its totient is φ = 72078000.

The previous prime is 216233989. The next prime is 216234047. The reversal of 216234024 is 420432612.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 9009751 = 216234024 / (2 + 1 + 6 + 2 + 3 + 4 + 0 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 216233985 and 216234003.

It is an unprimeable number.

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, 4504852 + ... + 4504899.

It is an arithmetic number, because the mean of its divisors is an integer number (33786570).

Almost surely, 2^216234024 is an apocalyptic number.

216234024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

216234024 is an abundant number, since it is smaller than the sum of its proper divisors (324351096).

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

216234024 is a wasteful number, since it uses less digits than its factorization.

216234024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9009760 (or 9009756 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 216234024 is about 14704.8979595236. The cubic root of 216234024 is about 600.2166106792.

Adding to 216234024 its reverse (420432612), we get a palindrome (636666636).

The spelling of 216234024 in words is "two hundred sixteen million, two hundred thirty-four thousand, twenty-four".