9799561 has 8 divisors (see below), whose sum is σ = 10188864. Its totient is φ = 9416880.

The previous prime is 9799549. The next prime is 9799567. The reversal of 9799561 is 1659979.

9799561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9799561 - 2⁵ = 9799529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9799567) 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 7 ways as a sum of consecutive naturals, for example, 1476 + ... + 4666.

It is an arithmetic number, because the mean of its divisors is an integer number (1273608).

Almost surely, 2^9799561 is an apocalyptic number.

It is an amenable number.

9799561 is a deficient number, since it is larger than the sum of its proper divisors (389303).

9799561 is a wasteful number, since it uses less digits than its factorization.

9799561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311.

The product of its digits is 153090, while the sum is 46.

The square root of 9799561 is about 3130.4250510114. The cubic root of 9799561 is about 213.9943006605.

The spelling of 9799561 in words is "nine million, seven hundred ninety-nine thousand, five hundred sixty-one".