239568485 has 24 divisors (see below), whose sum is σ = 312468840. Its totient is φ = 176247552.

The previous prime is 239568481. The next prime is 239568491. The reversal of 239568485 is 584865932.

239568485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 15478²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 153338689 + 86229796 = 12383^2 + 9286^2 .

It is not a de Polignac number, because 239568485 - 2² = 239568481 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239568481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429827 + ... + 430383.

It is an arithmetic number, because the mean of its divisors is an integer number (13019535).

Almost surely, 2^239568485 is an apocalyptic number.

It is an amenable number.

239568485 is a deficient number, since it is larger than the sum of its proper divisors (72900355).

239568485 is a wasteful number, since it uses less digits than its factorization.

239568485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097 (or 1084 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 50.

The square root of 239568485 is about 15478.0000323039. Note that the first 4 decimals coincide. The cubic root of 239568485 is about 621.0738284614.

The spelling of 239568485 in words is "two hundred thirty-nine million, five hundred sixty-eight thousand, four hundred eighty-five".