9899169 has 8 divisors (see below), whose sum is σ = 15084480. Its totient is φ = 5656656.

The previous prime is 9899167. The next prime is 9899173. The reversal of 9899169 is 9619989.

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

It is not a de Polignac number, because 9899169 - 2¹ = 9899167 is a prime.

It is a super-2 number, since 2×9899169² = 195987093781122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9899167) 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, 235674 + ... + 235715.

It is an arithmetic number, because the mean of its divisors is an integer number (1885560).

Almost surely, 2^9899169 is an apocalyptic number.

It is an amenable number.

9899169 is a deficient number, since it is larger than the sum of its proper divisors (5185311).

9899169 is a wasteful number, since it uses less digits than its factorization.

9899169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471399.

The product of its digits is 314928, while the sum is 51.

The square root of 9899169 is about 3146.2944871706. The cubic root of 9899169 is about 214.7169088299.

The spelling of 9899169 in words is "nine million, eight hundred ninety-nine thousand, one hundred sixty-nine".