9797140 has 24 divisors (see below), whose sum is σ = 20643840. Its totient is φ = 3905568.

The previous prime is 9797129. The next prime is 9797143. The reversal of 9797140 is 417979.

9797140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9797140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9797143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7021 + ... + 8299.

It is an arithmetic number, because the mean of its divisors is an integer number (860160).

Almost surely, 2^9797140 is an apocalyptic number.

It is an amenable number.

9797140 is an abundant number, since it is smaller than the sum of its proper divisors (10846700).

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

9797140 is a wasteful number, since it uses less digits than its factorization.

9797140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 9797140 is about 3130.0383384233. The cubic root of 9797140 is about 213.9766766441.

The spelling of 9797140 in words is "nine million, seven hundred ninety-seven thousand, one hundred forty".