9898628 has 12 divisors (see below), whose sum is σ = 17920140. Its totient is φ = 4778592.

The previous prime is 9898627. The next prime is 9898633. The reversal of 9898628 is 8268989.

It can be written as a sum of positive squares in 2 ways, for example, as 4129024 + 5769604 = 2032^2 + 2402^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9898627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42551 + ... + 42782.

It is an arithmetic number, because the mean of its divisors is an integer number (1493345).

Almost surely, 2^9898628 is an apocalyptic number.

It is an amenable number.

9898628 is a deficient number, since it is larger than the sum of its proper divisors (8021512).

9898628 is a wasteful number, since it uses less digits than its factorization.

9898628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85366 (or 85364 counting only the distinct ones).

The product of its digits is 497664, while the sum is 50.

The square root of 9898628 is about 3146.2085118441. The cubic root of 9898628 is about 214.7129972570.

The spelling of 9898628 in words is "nine million, eight hundred ninety-eight thousand, six hundred twenty-eight".