9798550 has 12 divisors (see below), whose sum is σ = 18225396. Its totient is φ = 3919400.

The previous prime is 9798517. The next prime is 9798553. The reversal of 9798550 is 558979.

It is a junction number, because it is equal to n+sod(n) for n = 9798497 and 9798506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9798553) 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 5 ways as a sum of consecutive naturals, for example, 97936 + ... + 98035.

It is an arithmetic number, because the mean of its divisors is an integer number (1518783).

Almost surely, 2^9798550 is an apocalyptic number.

9798550 is a deficient number, since it is larger than the sum of its proper divisors (8426846).

9798550 is a wasteful number, since it uses less digits than its factorization.

9798550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195983 (or 195978 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 9798550 is about 3130.2635671777. The cubic root of 9798550 is about 213.9869412942.

The spelling of 9798550 in words is "nine million, seven hundred ninety-eight thousand, five hundred fifty".