9797321 has 4 divisors (see below), whose sum is σ = 10373652. Its totient is φ = 9220992.

The previous prime is 9797311. The next prime is 9797323. The reversal of 9797321 is 1237979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1237979 = 199 ⋅6221.

It can be written as a sum of positive squares in 2 ways, for example, as 4326400 + 5470921 = 2080^2 + 2339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9797321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9797323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288140 + ... + 288173.

It is an arithmetic number, because the mean of its divisors is an integer number (2593413).

Almost surely, 2^9797321 is an apocalyptic number.

It is an amenable number.

9797321 is a deficient number, since it is larger than the sum of its proper divisors (576331).

9797321 is a wasteful number, since it uses less digits than its factorization.

9797321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576330.

The product of its digits is 23814, while the sum is 38.

The square root of 9797321 is about 3130.0672516737. The cubic root of 9797321 is about 213.9779943599.

The spelling of 9797321 in words is "nine million, seven hundred ninety-seven thousand, three hundred twenty-one".