9800564 has 6 divisors (see below), whose sum is σ = 17150994. Its totient is φ = 4900280.

The previous prime is 9800563. The next prime is 9800611. The reversal of 9800564 is 4650089.

9800564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9560464 + 240100 = 3092^2 + 490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9800564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9800563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225067 + ... + 1225074.

It is an arithmetic number, because the mean of its divisors is an integer number (2858499).

Almost surely, 2^9800564 is an apocalyptic number.

It is an amenable number.

9800564 is a deficient number, since it is larger than the sum of its proper divisors (7350430).

9800564 is a wasteful number, since it uses less digits than its factorization.

9800564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450145 (or 2450143 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 9800564 is about 3130.5852487993. The cubic root of 9800564 is about 214.0016012924.

The spelling of 9800564 in words is "nine million, eight hundred thousand, five hundred sixty-four".