9898913 has 8 divisors (see below), whose sum is σ = 10576008. Its totient is φ = 9232384.

The previous prime is 9898907. The next prime is 9898921. The reversal of 9898913 is 3198989.

It can be written as a sum of positive squares in 4 ways, for example, as 760384 + 9138529 = 872^2 + 3023^2 .

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 9898913 - 2⁶ = 9898849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9898613) 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, 656 + ... + 4497.

It is an arithmetic number, because the mean of its divisors is an integer number (1322001).

Almost surely, 2^9898913 is an apocalyptic number.

It is an amenable number.

9898913 is a deficient number, since it is larger than the sum of its proper divisors (677095).

9898913 is a wasteful number, since it uses less digits than its factorization.

9898913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5283.

The product of its digits is 139968, while the sum is 47.

The square root of 9898913 is about 3146.2538041296. The cubic root of 9898913 is about 214.7150579001.

The spelling of 9898913 in words is "nine million, eight hundred ninety-eight thousand, nine hundred thirteen".