288389272 has 16 divisors (see below), whose sum is σ = 564240240. Its totient is φ = 137925216.

The previous prime is 288389177. The next prime is 288389279. The reversal of 288389272 is 272983882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288389279) 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, 783483 + ... + 783850.

It is an arithmetic number, because the mean of its divisors is an integer number (35265015).

Almost surely, 2^288389272 is an apocalyptic number.

It is an amenable number.

288389272 is a deficient number, since it is larger than the sum of its proper divisors (275850968).

288389272 is a wasteful number, since it uses less digits than its factorization.

288389272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567362 (or 1567358 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 288389272 is about 16982.0279118838. The cubic root of 288389272 is about 660.6828500451.

The spelling of 288389272 in words is "two hundred eighty-eight million, three hundred eighty-nine thousand, two hundred seventy-two".