289530224 has 10 divisors (see below), whose sum is σ = 560964840. Its totient is φ = 144765104.

The previous prime is 289530221. The next prime is 289530239. The reversal of 289530224 is 422035982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289530221) 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 as a sum of consecutive naturals, namely, 9047804 + ... + 9047835.

It is an arithmetic number, because the mean of its divisors is an integer number (56096484).

Almost surely, 2^289530224 is an apocalyptic number.

It is an amenable number.

289530224 is a deficient number, since it is larger than the sum of its proper divisors (271434616).

289530224 is a wasteful number, since it uses less digits than its factorization.

289530224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18095647 (or 18095641 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 289530224 is about 17015.5876771859. The cubic root of 289530224 is about 661.5529881737.

The spelling of 289530224 in words is "two hundred eighty-nine million, five hundred thirty thousand, two hundred twenty-four".