9870540 has 48 divisors (see below), whose sum is σ = 29266272. Its totient is φ = 2477056.

The previous prime is 9870503. The next prime is 9870541. The reversal of 9870540 is 450789.

9870540 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9870541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3819 + ... + 5858.

It is an arithmetic number, because the mean of its divisors is an integer number (609714).

Almost surely, 2^9870540 is an apocalyptic number.

It is an amenable number.

9870540 is an abundant number, since it is smaller than the sum of its proper divisors (19395732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9870540 is a wasteful number, since it uses less digits than its factorization.

9870540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706 (or 9704 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 9870540 is about 3141.7415552524. The cubic root of 9870540 is about 214.5097175030.

The spelling of 9870540 in words is "nine million, eight hundred seventy thousand, five hundred forty".