9840061 has 16 divisors (see below), whose sum is σ = 12533760. Its totient is φ = 7501680.

The previous prime is 9840049. The next prime is 9840071. The reversal of 9840061 is 1600489.

It is a cyclic number.

It is not a de Polignac number, because 9840061 - 2¹³ = 9831869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9840001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2260 + ... + 4978.

It is an arithmetic number, because the mean of its divisors is an integer number (783360).

Almost surely, 2^9840061 is an apocalyptic number.

It is an amenable number.

9840061 is a deficient number, since it is larger than the sum of its proper divisors (2693699).

9840061 is a wasteful number, since it uses less digits than its factorization.

9840061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 9840061 is about 3136.8871513014. The cubic root of 9840061 is about 214.2886967416.

The spelling of 9840061 in words is "nine million, eight hundred forty thousand, sixty-one".