9806140 has 24 divisors (see below), whose sum is σ = 20779920. Its totient is φ = 3886848.

The previous prime is 9806117. The next prime is 9806171. The reversal of 9806140 is 416089.

It is a junction number, because it is equal to n+sod(n) for n = 9806099 and 9806108.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 91 + ... + 4429.

It is an arithmetic number, because the mean of its divisors is an integer number (865830).

Almost surely, 2^9806140 is an apocalyptic number.

It is an amenable number.

9806140 is an abundant number, since it is smaller than the sum of its proper divisors (10973780).

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

9806140 is a wasteful number, since it uses less digits than its factorization.

9806140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461 (or 4459 counting only the distinct ones).

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

The square root of 9806140 is about 3131.4756904693. The cubic root of 9806140 is about 214.0421787767.

The spelling of 9806140 in words is "nine million, eight hundred six thousand, one hundred forty".