239806885 has 12 divisors (see below), whose sum is σ = 303713388. Its totient is φ = 181747008.

The previous prime is 239806871. The next prime is 239806907. The reversal of 239806885 is 588608932.

239806885 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 181467841 + 58339044 = 13471^2 + 7638^2 .

It is not a de Polignac number, because 239806885 - 2¹¹ = 239804837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64624 + ... + 68233.

It is an arithmetic number, because the mean of its divisors is an integer number (25309449).

Almost surely, 2^239806885 is an apocalyptic number.

It is an amenable number.

239806885 is a deficient number, since it is larger than the sum of its proper divisors (63906503).

239806885 is a wasteful number, since it uses less digits than its factorization.

239806885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132900 (or 132881 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 239806885 is about 15485.6993707097. The cubic root of 239806885 is about 621.2797750183.

The spelling of 239806885 in words is "two hundred thirty-nine million, eight hundred six thousand, eight hundred eighty-five".