239348285 has 24 divisors (see below), whose sum is σ = 318909528. Its totient is φ = 172304000.

The previous prime is 239348279. The next prime is 239348293. The reversal of 239348285 is 582843932.

It can be written as a sum of positive squares in 4 ways, for example, as 118831801 + 120516484 = 10901^2 + 10978^2 .

It is not a de Polignac number, because 239348285 - 2¹⁶ = 239282749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 59147 + ... + 63063.

It is an arithmetic number, because the mean of its divisors is an integer number (13287897).

Almost surely, 2^239348285 is an apocalyptic number.

It is an amenable number.

239348285 is a deficient number, since it is larger than the sum of its proper divisors (79561243).

239348285 is a wasteful number, since it uses less digits than its factorization.

239348285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4045 (or 4034 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 239348285 is about 15470.8850748753. The cubic root of 239348285 is about 620.8834829190.

The spelling of 239348285 in words is "two hundred thirty-nine million, three hundred forty-eight thousand, two hundred eighty-five".