9678140 has 12 divisors (see below), whose sum is σ = 20324136. Its totient is φ = 3871248.

The previous prime is 9678133. The next prime is 9678143. The reversal of 9678140 is 418769.

It is a self number, because there is not a number n which added to its sum of digits gives 9678140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9678143) 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 3 ways as a sum of consecutive naturals, for example, 241934 + ... + 241973.

It is an arithmetic number, because the mean of its divisors is an integer number (1693678).

Almost surely, 2^9678140 is an apocalyptic number.

It is an amenable number.

9678140 is an abundant number, since it is smaller than the sum of its proper divisors (10645996).

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

9678140 is a wasteful number, since it uses less digits than its factorization.

9678140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483916 (or 483914 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 9678140 is about 3110.9709095393. The cubic root of 9678140 is about 213.1067962023.

The spelling of 9678140 in words is "nine million, six hundred seventy-eight thousand, one hundred forty".