289452368 has 10 divisors (see below), whose sum is σ = 560813994. Its totient is φ = 144726176.

The previous prime is 289452347. The next prime is 289452377. The reversal of 289452368 is 863254982.

It can be written as a sum of positive squares in only one way, i.e., 183115024 + 106337344 = 13532^2 + 10312^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9045371 + ... + 9045402.

Almost surely, 2^289452368 is an apocalyptic number.

It is an amenable number.

289452368 is a deficient number, since it is larger than the sum of its proper divisors (271361626).

289452368 is a wasteful number, since it uses less digits than its factorization.

289452368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18090781 (or 18090775 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 289452368 is about 17013.2997387338. The cubic root of 289452368 is about 661.4936846508.

It can be divided in two parts, 28945 and 2368, that added together give a palindrome (31313).

The spelling of 289452368 in words is "two hundred eighty-nine million, four hundred fifty-two thousand, three hundred sixty-eight".