9887331 has 8 divisors (see below), whose sum is σ = 13287424. Its totient is φ = 6539400.

The previous prime is 9887327. The next prime is 9887333. The reversal of 9887331 is 1337889.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9887331 - 2² = 9887327 is a prime.

It is a super-2 number, since 2×9887331² = 195518628607122, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9887331.

It is not an unprimeable number, because it can be changed into a prime (9887333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12595 + ... + 13356.

It is an arithmetic number, because the mean of its divisors is an integer number (1660928).

Almost surely, 2^9887331 is an apocalyptic number.

9887331 is a deficient number, since it is larger than the sum of its proper divisors (3400093).

9887331 is a wasteful number, since it uses less digits than its factorization.

9887331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26081.

The product of its digits is 36288, while the sum is 39.

The square root of 9887331 is about 3144.4126637577. The cubic root of 9887331 is about 214.6312843815.

The spelling of 9887331 in words is "nine million, eight hundred eighty-seven thousand, three hundred thirty-one".