9885331 has 4 divisors (see below), whose sum is σ = 10315152. Its totient is φ = 9455512.

The previous prime is 9885329. The next prime is 9885361. The reversal of 9885331 is 1335889.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9885331 - 2¹ = 9885329 is a prime.

It is a super-2 number, since 2×9885331² = 195439537959122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9885361) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 214876 + ... + 214921.

It is an arithmetic number, because the mean of its divisors is an integer number (2578788).

Almost surely, 2^9885331 is an apocalyptic number.

9885331 is the 1989-th centered pentagonal number.

9885331 is a deficient number, since it is larger than the sum of its proper divisors (429821).

9885331 is a wasteful number, since it uses less digits than its factorization.

9885331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429820.

The product of its digits is 25920, while the sum is 37.

The square root of 9885331 is about 3144.0946232580. The cubic root of 9885331 is about 214.6168116009.

The spelling of 9885331 in words is "nine million, eight hundred eighty-five thousand, three hundred thirty-one".