9899018 has 8 divisors (see below), whose sum is σ = 14888448. Its totient is φ = 4936204.

The previous prime is 9899009. The next prime is 9899023. The reversal of 9899018 is 8109989.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9899018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5696 + ... + 7227.

It is an arithmetic number, because the mean of its divisors is an integer number (1861056).

Almost surely, 2^9899018 is an apocalyptic number.

9899018 is a deficient number, since it is larger than the sum of its proper divisors (4989430).

9899018 is a wasteful number, since it uses less digits than its factorization.

9899018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13308.

The product of its (nonzero) digits is 46656, while the sum is 44.

The square root of 9899018 is about 3146.2704905968. The cubic root of 9899018 is about 214.7158170744.

The spelling of 9899018 in words is "nine million, eight hundred ninety-nine thousand, eighteen".