9898685 has 8 divisors (see below), whose sum is σ = 11910456. Its totient is φ = 7897600.

The previous prime is 9898673. The next prime is 9898697. The reversal of 9898685 is 5868989.

It is an interprime number because it is at equal distance from previous prime (9898673) and next prime (9898697).

It can be written as a sum of positive squares in 4 ways, for example, as 3452164 + 6446521 = 1858^2 + 2539^2 .

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

It is not a de Polignac number, because 9898685 - 2¹⁰ = 9897661 is a prime.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 464 + ... + 4473.

It is an arithmetic number, because the mean of its divisors is an integer number (1488807).

Almost surely, 2^9898685 is an apocalyptic number.

It is an amenable number.

9898685 is a deficient number, since it is larger than the sum of its proper divisors (2011771).

9898685 is a wasteful number, since it uses less digits than its factorization.

9898685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343.

The product of its digits is 1244160, while the sum is 53.

The square root of 9898685 is about 3146.2175703533. The cubic root of 9898685 is about 214.7134093888.

The spelling of 9898685 in words is "nine million, eight hundred ninety-eight thousand, six hundred eighty-five".