9989359 has 4 divisors (see below), whose sum is σ = 10000080. Its totient is φ = 9978640.

The previous prime is 9989341. The next prime is 9989377. The reversal of 9989359 is 9539899.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9539899 = 2417 ⋅3947.

It is an interprime number because it is at equal distance from previous prime (9989341) and next prime (9989377).

It is a cyclic number.

It is not a de Polignac number, because 9989359 - 2⁵ = 9989327 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 (9989389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3814 + ... + 5875.

It is an arithmetic number, because the mean of its divisors is an integer number (2500020).

Almost surely, 2^9989359 is an apocalyptic number.

9989359 is a deficient number, since it is larger than the sum of its proper divisors (10721).

9989359 is a wasteful number, since it uses less digits than its factorization.

9989359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720.

The product of its digits is 787320, while the sum is 52.

The square root of 9989359 is about 3160.5947225166. The cubic root of 9989359 is about 215.3670240833.

The spelling of 9989359 in words is "nine million, nine hundred eighty-nine thousand, three hundred fifty-nine".