216000235 has 16 divisors (see below), whose sum is σ = 283230432. Its totient is φ = 156832000.

The previous prime is 216000233. The next prime is 216000251. The reversal of 216000235 is 532000612.

It is a happy number.

It is not a de Polignac number, because 216000235 - 2¹ = 216000233 is a prime.

It is a super-2 number, since 2×216000235² = 93312203040110450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216000233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34335 + ... + 40135.

It is an arithmetic number, because the mean of its divisors is an integer number (17701902).

Almost surely, 2^216000235 is an apocalyptic number.

216000235 is a deficient number, since it is larger than the sum of its proper divisors (67230197).

216000235 is a wasteful number, since it uses less digits than its factorization.

216000235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 216000235 is about 14696.9464515592. The cubic root of 216000235 is about 600.0002175925. Note that the first 3 decimals are identical.

Adding to 216000235 its reverse (532000612), we get a palindrome (748000847).

The spelling of 216000235 in words is "two hundred sixteen million, two hundred thirty-five", and thus it is an aban number.