9792561 has 16 divisors (see below), whose sum is σ = 13924224. Its totient is φ = 6100224.

The previous prime is 9792539. The next prime is 9792571. The reversal of 9792561 is 1652979.

It is not a de Polignac number, because 9792561 - 2⁵ = 9792529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9792521) 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 15 ways as a sum of consecutive naturals, for example, 7396 + ... + 8618.

It is an arithmetic number, because the mean of its divisors is an integer number (870264).

Almost surely, 2^9792561 is an apocalyptic number.

It is an amenable number.

9792561 is a deficient number, since it is larger than the sum of its proper divisors (4131663).

9792561 is a wasteful number, since it uses less digits than its factorization.

9792561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400.

The product of its digits is 34020, while the sum is 39.

The square root of 9792561 is about 3129.3067922465. The cubic root of 9792561 is about 213.9433352169.

The spelling of 9792561 in words is "nine million, seven hundred ninety-two thousand, five hundred sixty-one".