9840541 has 6 divisors (see below), whose sum is σ = 10192442. Its totient is φ = 9500400.

The previous prime is 9840539. The next prime is 9840577. The reversal of 9840541 is 1450489.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2839225 + 7001316 = 1685^2 + 2646^2 .

It is not a de Polignac number, because 9840541 - 2¹ = 9840539 is a prime.

It is a Duffinian number.

9840541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9840521) 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 5 ways as a sum of consecutive naturals, for example, 5010 + ... + 6691.

Almost surely, 2^9840541 is an apocalyptic number.

It is an amenable number.

9840541 is a deficient number, since it is larger than the sum of its proper divisors (351901).

9840541 is a wasteful number, since it uses less digits than its factorization.

9840541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11759 (or 11730 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 9840541 is about 3136.9636593368. The cubic root of 9840541 is about 214.2921810324.

The spelling of 9840541 in words is "nine million, eight hundred forty thousand, five hundred forty-one".