234216489 has 16 divisors (see below), whose sum is σ = 342014400. Its totient is φ = 141688896.

The previous prime is 234216469. The next prime is 234216503. The reversal of 234216489 is 984612432.

It is not a de Polignac number, because 234216489 - 2²¹ = 232119337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (234216449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48594 + ... + 53195.

It is an arithmetic number, because the mean of its divisors is an integer number (21375900).

Almost surely, 2^234216489 is an apocalyptic number.

It is an amenable number.

234216489 is a deficient number, since it is larger than the sum of its proper divisors (107797911).

234216489 is a wasteful number, since it uses less digits than its factorization.

234216489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101864.

The product of its digits is 82944, while the sum is 39.

The square root of 234216489 is about 15304.1330692072. The cubic root of 234216489 is about 616.4139928390.

The spelling of 234216489 in words is "two hundred thirty-four million, two hundred sixteen thousand, four hundred eighty-nine".