289713234 has 8 divisors (see below), whose sum is σ = 579426480. Its totient is φ = 96571076.

The previous prime is 289713233. The next prime is 289713247. The reversal of 289713234 is 432317982.

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

289713234 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 289713192 and 289713201.

It is not an unprimeable number, because it can be changed into a prime (289713233) by changing a digit.

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, 24142764 + ... + 24142775.

It is an arithmetic number, because the mean of its divisors is an integer number (72428310).

Almost surely, 2^289713234 is an apocalyptic number.

289713234 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.

289713234 is a wasteful number, since it uses less digits than its factorization.

289713234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48285544.

The product of its digits is 72576, while the sum is 39.

The square root of 289713234 is about 17020.9645437619. The cubic root of 289713234 is about 661.6923464652.

The spelling of 289713234 in words is "two hundred eighty-nine million, seven hundred thirteen thousand, two hundred thirty-four".