216273234 has 8 divisors (see below), whose sum is σ = 432546480. Its totient is φ = 72091076.

The previous prime is 216273229. The next prime is 216273241. The reversal of 216273234 is 432372612.

216273234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

216273234 is an admirable number.

It is a super-2 number, since 2×216273234² = 93548223489637512, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18022764 + ... + 18022775.

It is an arithmetic number, because the mean of its divisors is an integer number (54068310).

Almost surely, 2^216273234 is an apocalyptic number.

216273234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

216273234 is a wasteful number, since it uses less digits than its factorization.

216273234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36045544.

The product of its digits is 12096, while the sum is 30.

The square root of 216273234 is about 14706.2311283347. The cubic root of 216273234 is about 600.2528878424.

The spelling of 216273234 in words is "two hundred sixteen million, two hundred seventy-three thousand, two hundred thirty-four".