9797143 has 2 divisors, whose sum is σ = 9797144. Its totient is φ = 9797142.

The previous prime is 9797129. The next prime is 9797153. The reversal of 9797143 is 3417979.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9797143 - 2¹³ = 9788951 is a prime.

It is a super-3 number, since 3×9797143³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9797096 and 9797105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9797113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4898571 + 4898572.

It is an arithmetic number, because the mean of its divisors is an integer number (4898572).

Almost surely, 2^9797143 is an apocalyptic number.

9797143 is a deficient number, since it is larger than the sum of its proper divisors (1).

9797143 is an equidigital number, since it uses as much as digits as its factorization.

9797143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628, while the sum is 40.

The square root of 9797143 is about 3130.0388176507. The cubic root of 9797143 is about 213.9766984848.

The spelling of 9797143 in words is "nine million, seven hundred ninety-seven thousand, one hundred forty-three".