9898213 has 8 divisors (see below), whose sum is σ = 10908128. Its totient is φ = 8923824.

The previous prime is 9898177. The next prime is 9898223. The reversal of 9898213 is 3128989.

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-9898213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8295 + ... + 9412.

It is an arithmetic number, because the mean of its divisors is an integer number (1363516).

Almost surely, 2^9898213 is an apocalyptic number.

It is an amenable number.

9898213 is a deficient number, since it is larger than the sum of its proper divisors (1009915).

9898213 is a wasteful number, since it uses less digits than its factorization.

9898213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17763.

The product of its digits is 31104, while the sum is 40.

The square root of 9898213 is about 3146.1425587535. The cubic root of 9898213 is about 214.7099966008.

The spelling of 9898213 in words is "nine million, eight hundred ninety-eight thousand, two hundred thirteen".