9898943 has 8 divisors (see below), whose sum is σ = 10702320. Its totient is φ = 9123840.

The previous prime is 9898921. The next prime is 9898979. The reversal of 9898943 is 3498989.

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

It is a cyclic number.

It is not a de Polignac number, because 9898943 - 2¹⁰ = 9897919 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9898891 and 9898900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898243) 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, 6338 + ... + 7743.

It is an arithmetic number, because the mean of its divisors is an integer number (1337790).

Almost surely, 2^9898943 is an apocalyptic number.

9898943 is a deficient number, since it is larger than the sum of its proper divisors (803377).

9898943 is a wasteful number, since it uses less digits than its factorization.

9898943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14137.

The product of its digits is 559872, while the sum is 50.

The square root of 9898943 is about 3146.2585717007. The cubic root of 9898943 is about 214.7152748076.

The spelling of 9898943 in words is "nine million, eight hundred ninety-eight thousand, nine hundred forty-three".