9899331 has 16 divisors (see below), whose sum is σ = 14547456. Its totient is φ = 5949216.

The previous prime is 9899303. The next prime is 9899333. The reversal of 9899331 is 1339989.

It is a happy number.

It is not a de Polignac number, because 9899331 - 2¹⁰ = 9898307 is a prime.

It is a super-2 number, since 2×9899331² = 195993508495122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9899333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1275 + ... + 4628.

It is an arithmetic number, because the mean of its divisors is an integer number (909216).

Almost surely, 2^9899331 is an apocalyptic number.

9899331 is a deficient number, since it is larger than the sum of its proper divisors (4648125).

9899331 is a wasteful number, since it uses less digits than its factorization.

9899331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962.

The product of its digits is 52488, while the sum is 42.

The square root of 9899331 is about 3146.3202316357. The cubic root of 9899331 is about 214.7180801050.

The spelling of 9899331 in words is "nine million, eight hundred ninety-nine thousand, three hundred thirty-one".