9804997 has 2 divisors, whose sum is σ = 9804998. Its totient is φ = 9804996.

The previous prime is 9804983. The next prime is 9805001. The reversal of 9804997 is 7994089.

9804997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9084196 + 720801 = 3014^2 + 849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9804997 is a prime.

It is a super-2 number, since 2×9804997² = 192275932340018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9804967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4902498 + 4902499.

It is an arithmetic number, because the mean of its divisors is an integer number (4902499).

Almost surely, 2^9804997 is an apocalyptic number.

It is an amenable number.

9804997 is a deficient number, since it is larger than the sum of its proper divisors (1).

9804997 is an equidigital number, since it uses as much as digits as its factorization.

9804997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 9804997 is about 3131.2931833350. The cubic root of 9804997 is about 214.0338622282.

It can be divided in two parts, 9804 and 997, that added together give a palindrome (10801).

The spelling of 9804997 in words is "nine million, eight hundred four thousand, nine hundred ninety-seven".