9899711 has 8 divisors (see below), whose sum is σ = 10161504. Its totient is φ = 9640800.

The previous prime is 9899693. The next prime is 9899731. The reversal of 9899711 is 1179989.

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

It is a cyclic number.

It is not a de Polignac number, because 9899711 - 2¹⁸ = 9637567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9899731) 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, 7385 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (1270188).

Almost surely, 2^9899711 is an apocalyptic number.

9899711 is a deficient number, since it is larger than the sum of its proper divisors (261793).

9899711 is a wasteful number, since it uses less digits than its factorization.

9899711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441.

The product of its digits is 40824, while the sum is 44.

The square root of 9899711 is about 3146.3806190606. The cubic root of 9899711 is about 214.7208274902.

The spelling of 9899711 in words is "nine million, eight hundred ninety-nine thousand, seven hundred eleven".