289661116 has 12 divisors (see below), whose sum is σ = 508738888. Its totient is φ = 144307152.

The previous prime is 289661111. The next prime is 289661129. The reversal of 289661116 is 611166982.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289661111) 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, 129606 + ... + 131821.

Almost surely, 2^289661116 is an apocalyptic number.

It is an amenable number.

289661116 is a deficient number, since it is larger than the sum of its proper divisors (219077772).

289661116 is a wasteful number, since it uses less digits than its factorization.

289661116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261708 (or 261706 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The square root of 289661116 is about 17019.4334805833. The cubic root of 289661116 is about 661.6526656753.

The spelling of 289661116 in words is "two hundred eighty-nine million, six hundred sixty-one thousand, one hundred sixteen".