9899793 has 16 divisors (see below), whose sum is σ = 14720640. Its totient is φ = 6575472.

The previous prime is 9899789. The next prime is 9899809. The reversal of 9899793 is 3979989.

It is a happy number.

It is not a de Polignac number, because 9899793 - 2² = 9899789 is a prime.

9899793 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9899753) 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, 9580 + ... + 10562.

It is an arithmetic number, because the mean of its divisors is an integer number (920040).

Almost surely, 2^9899793 is an apocalyptic number.

It is an amenable number.

9899793 is a deficient number, since it is larger than the sum of its proper divisors (4820847).

9899793 is a wasteful number, since it uses less digits than its factorization.

9899793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1359 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 9899793 is about 3146.3936498792. The cubic root of 9899793 is about 214.7214203378.

The spelling of 9899793 in words is "nine million, eight hundred ninety-nine thousand, seven hundred ninety-three".