9800590550 has 24 divisors (see below), whose sum is σ = 18409594032. Its totient is φ = 3881420000.

The previous prime is 9800590549. The next prime is 9800590561. The reversal of 9800590550 is 550950089.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9800590498 and 9800590507.

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 11 ways as a sum of consecutive naturals, for example, 965306 + ... + 975405.

It is an arithmetic number, because the mean of its divisors is an integer number (767066418).

Almost surely, 2^9800590550 is an apocalyptic number.

9800590550 is a deficient number, since it is larger than the sum of its proper divisors (8609003482).

9800590550 is a wasteful number, since it uses less digits than its factorization.

9800590550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940824 (or 1940819 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 41.

The square root of 9800590550 is about 98997.9320491090. The cubic root of 9800590550 is about 2140.0179453761.

The spelling of 9800590550 in words is "nine billion, eight hundred million, five hundred ninety thousand, five hundred fifty".