9898994 has 8 divisors (see below), whose sum is σ = 16969728. Its totient is φ = 4242420.

The previous prime is 9898979. The next prime is 9899003. The reversal of 9898994 is 4998989.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353522 + ... + 353549.

It is an arithmetic number, because the mean of its divisors is an integer number (2121216).

Almost surely, 2^9898994 is an apocalyptic number.

9898994 is a deficient number, since it is larger than the sum of its proper divisors (7070734).

9898994 is a wasteful number, since it uses less digits than its factorization.

9898994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707080.

The product of its digits is 1679616, while the sum is 56.

The square root of 9898994 is about 3146.2666765549. The cubic root of 9898994 is about 214.7156435493.

The spelling of 9898994 in words is "nine million, eight hundred ninety-eight thousand, nine hundred ninety-four".