216411234 has 16 divisors (see below), whose sum is σ = 466116672. Its totient is φ = 66588048.

The previous prime is 216411229. The next prime is 216411269. The reversal of 216411234 is 432114612.

216411234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 1387174 + ... + 1387329.

It is an arithmetic number, because the mean of its divisors is an integer number (29132292).

Almost surely, 2^216411234 is an apocalyptic number.

216411234 is an abundant number, since it is smaller than the sum of its proper divisors (249705438).

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

216411234 is a wasteful number, since it uses less digits than its factorization.

216411234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774521.

The product of its digits is 1152, while the sum is 24.

The square root of 216411234 is about 14710.9222688450. The cubic root of 216411234 is about 600.3805308317.

Adding to 216411234 its reverse (432114612), we get a palindrome (648525846).

The spelling of 216411234 in words is "two hundred sixteen million, four hundred eleven thousand, two hundred thirty-four".