9687841 has 12 divisors (see below), whose sum is σ = 10617156. Its totient is φ = 8808960.

The previous prime is 9687833. The next prime is 9687851. The reversal of 9687841 is 1487869.

It can be written as a sum of positive squares in 2 ways, for example, as 6780816 + 2907025 = 2604^2 + 1705^2 .

It is not a de Polignac number, because 9687841 - 2³ = 9687833 is a prime.

It is a Duffinian number.

Its product of digits (96768) is a multiple of the sum of its prime factors (672).

It is not an unprimeable number, because it can be changed into a prime (9687851) 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 11 ways as a sum of consecutive naturals, for example, 16041 + ... + 16633.

It is an arithmetic number, because the mean of its divisors is an integer number (884763).

Almost surely, 2^9687841 is an apocalyptic number.

It is an amenable number.

9687841 is a deficient number, since it is larger than the sum of its proper divisors (929315).

9687841 is a wasteful number, since it uses less digits than its factorization.

9687841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 641 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 9687841 is about 3112.5296785734. The cubic root of 9687841 is about 213.1779758116.

The spelling of 9687841 in words is "nine million, six hundred eighty-seven thousand, eight hundred forty-one".