9898312 has 32 divisors (see below), whose sum is σ = 19216800. Its totient is φ = 4777344.

The previous prime is 9898307. The next prime is 9898319. The reversal of 9898312 is 2138989.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9898319) 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, 31468 + ... + 31780.

It is an arithmetic number, because the mean of its divisors is an integer number (600525).

Almost surely, 2^9898312 is an apocalyptic number.

It is an amenable number.

9898312 is a deficient number, since it is larger than the sum of its proper divisors (9318488).

9898312 is a wasteful number, since it uses less digits than its factorization.

9898312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 441 counting only the distinct ones).

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

The square root of 9898312 is about 3146.1582922669. The cubic root of 9898312 is about 214.7107124276.

It can be divided in two parts, 9 and 898312, that multiplied together give a palindrome (8084808).

The spelling of 9898312 in words is "nine million, eight hundred ninety-eight thousand, three hundred twelve".