289468616 has 32 divisors (see below), whose sum is σ = 577056960. Its totient is φ = 135824832.

The previous prime is 289468589. The next prime is 289468637. The reversal of 289468616 is 616864982.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5090 + ... + 24593.

It is an arithmetic number, because the mean of its divisors is an integer number (18033030).

Almost surely, 2^289468616 is an apocalyptic number.

It is an amenable number.

289468616 is a deficient number, since it is larger than the sum of its proper divisors (287588344).

289468616 is a wasteful number, since it uses less digits than its factorization.

289468616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29765 (or 29761 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 289468616 is about 17013.7772408128. Note that the first 3 decimals coincide. The cubic root of 289468616 is about 661.5060617572.

The spelling of 289468616 in words is "two hundred eighty-nine million, four hundred sixty-eight thousand, six hundred sixteen".