9799889 has 8 divisors (see below), whose sum is σ = 10851168. Its totient is φ = 8775360.

The previous prime is 9799849. The next prime is 9799897. The reversal of 9799889 is 9889979.

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

It is a de Polignac number, because none of the positive numbers 2^k-9799889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9799819) 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, 5912 + ... + 7385.

It is an arithmetic number, because the mean of its divisors is an integer number (1356396).

Almost surely, 2^9799889 is an apocalyptic number.

It is an amenable number.

9799889 is a deficient number, since it is larger than the sum of its proper divisors (1051279).

9799889 is a wasteful number, since it uses less digits than its factorization.

9799889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13375.

The product of its digits is 2939328, while the sum is 59.

The square root of 9799889 is about 3130.4774396248. The cubic root of 9799889 is about 213.9966881602.

The spelling of 9799889 in words is "nine million, seven hundred ninety-nine thousand, eight hundred eighty-nine".