234216535 has 16 divisors (see below), whose sum is σ = 321555456. Its totient is φ = 160433568.

The previous prime is 234216533. The next prime is 234216547. The reversal of 234216535 is 535612432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 234216535 - 2¹ = 234216533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 234216497 and 234216506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234216533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35572 + ... + 41638.

It is an arithmetic number, because the mean of its divisors is an integer number (20097216).

Almost surely, 2^234216535 is an apocalyptic number.

234216535 is a deficient number, since it is larger than the sum of its proper divisors (87338921).

234216535 is a wasteful number, since it uses less digits than its factorization.

234216535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182.

The product of its digits is 21600, while the sum is 31.

The square root of 234216535 is about 15304.1345720691. The cubic root of 234216535 is about 616.4140331935.

Adding to 234216535 its reverse (535612432), we get a palindrome (769828967).

The spelling of 234216535 in words is "two hundred thirty-four million, two hundred sixteen thousand, five hundred thirty-five".