9797500 has 30 divisors (see below), whose sum is σ = 21430640. Its totient is φ = 3918000.

The previous prime is 9797497. The next prime is 9797531. The reversal of 9797500 is 57979.

It is a self number, because there is not a number n which added to its sum of digits gives 9797500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 541 + ... + 4459.

Almost surely, 2^9797500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9797500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10715320).

9797500 is an abundant number, since it is smaller than the sum of its proper divisors (11633140).

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

9797500 is a wasteful number, since it uses less digits than its factorization.

9797500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943 (or 3926 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 37.

The square root of 9797500 is about 3130.0958451779. The cubic root of 9797500 is about 213.9792974994.

The spelling of 9797500 in words is "nine million, seven hundred ninety-seven thousand, five hundred".