9899334 has 24 divisors (see below), whose sum is σ = 22244040. Its totient is φ = 3299616.

The previous prime is 9899333. The next prime is 9899341. The reversal of 9899334 is 4339989.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9899334.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9699 + ... + 10670.

It is an arithmetic number, because the mean of its divisors is an integer number (926835).

Almost surely, 2^9899334 is an apocalyptic number.

9899334 is an abundant number, since it is smaller than the sum of its proper divisors (12344706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9899334 is a wasteful number, since it uses less digits than its factorization.

9899334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20386 (or 20374 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 9899334 is about 3146.3207083830. The cubic root of 9899334 is about 214.7181017952.

The spelling of 9899334 in words is "nine million, eight hundred ninety-nine thousand, three hundred thirty-four".