216235326 has 16 divisors (see below), whose sum is σ = 444159504. Its totient is φ = 70130304.

The previous prime is 216235309. The next prime is 216235361. The reversal of 216235326 is 623532612.

It is a junction number, because it is equal to n+sod(n) for n = 216235293 and 216235302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486795 + ... + 487238.

It is an arithmetic number, because the mean of its divisors is an integer number (27759969).

Almost surely, 2^216235326 is an apocalyptic number.

216235326 is an abundant number, since it is smaller than the sum of its proper divisors (227924178).

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

216235326 is a wasteful number, since it uses less digits than its factorization.

216235326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974075.

The product of its digits is 12960, while the sum is 30.

The square root of 216235326 is about 14704.9422304204. The cubic root of 216235326 is about 600.2178153623.

Adding to 216235326 its reverse (623532612), we get a palindrome (839767938).

The spelling of 216235326 in words is "two hundred sixteen million, two hundred thirty-five thousand, three hundred twenty-six".