288928161 has 16 divisors (see below), whose sum is σ = 428377600. Its totient is φ = 192467664.

The previous prime is 288928151. The next prime is 288928169. The reversal of 288928161 is 161829882.

It is a happy number.

It is not a de Polignac number, because 288928161 - 2⁷ = 288928033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288928169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38895 + ... + 45723.

It is an arithmetic number, because the mean of its divisors is an integer number (26773600).

Almost surely, 2^288928161 is an apocalyptic number.

It is an amenable number.

288928161 is a deficient number, since it is larger than the sum of its proper divisors (139449439).

288928161 is a wasteful number, since it uses less digits than its factorization.

288928161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8405 (or 8399 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 288928161 is about 16997.8869569132. The cubic root of 288928161 is about 661.0941149807.

The spelling of 288928161 in words is "two hundred eighty-eight million, nine hundred twenty-eight thousand, one hundred sixty-one".