9885239 has 16 divisors (see below), whose sum is σ = 12698112. Its totient is φ = 7479648.

The previous prime is 9885229. The next prime is 9885241. The reversal of 9885239 is 9325889.

It is a cyclic number.

It is not a de Polignac number, because 9885239 - 2⁸ = 9884983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9885239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9885209) 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, 269 + ... + 4454.

It is an arithmetic number, because the mean of its divisors is an integer number (793632).

Almost surely, 2^9885239 is an apocalyptic number.

9885239 is a deficient number, since it is larger than the sum of its proper divisors (2812873).

9885239 is a wasteful number, since it uses less digits than its factorization.

9885239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4766.

The product of its digits is 155520, while the sum is 44.

The square root of 9885239 is about 3144.0799926211. The cubic root of 9885239 is about 214.6161458060.

The spelling of 9885239 in words is "nine million, eight hundred eighty-five thousand, two hundred thirty-nine".