289322272 has 24 divisors (see below), whose sum is σ = 599583600. Its totient is φ = 137047104.

The previous prime is 289322263. The next prime is 289322273. The reversal of 289322272 is 272223982.

289322272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (289322273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237322 + ... + 238537.

It is an arithmetic number, because the mean of its divisors is an integer number (24982650).

Almost surely, 2^289322272 is an apocalyptic number.

It is an amenable number.

289322272 is an abundant number, since it is smaller than the sum of its proper divisors (310261328).

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

289322272 is a wasteful number, since it uses less digits than its factorization.

289322272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475888 (or 475880 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 289322272 is about 17009.4759472478. The cubic root of 289322272 is about 661.3945657765.

The spelling of 289322272 in words is "two hundred eighty-nine million, three hundred twenty-two thousand, two hundred seventy-two".