9738997 has 2 divisors, whose sum is σ = 9738998. Its totient is φ = 9738996.

The previous prime is 9738979. The next prime is 9739007. The reversal of 9738997 is 7998379.

9738997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (9738979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6320196 + 3418801 = 2514^2 + 1849^2 .

It is an emirp because it is prime and its reverse (7998379) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9738997 is a prime.

9738997 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9738907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4869498 + 4869499.

It is an arithmetic number, because the mean of its divisors is an integer number (4869499).

Almost surely, 2^9738997 is an apocalyptic number.

It is an amenable number.

9738997 is a deficient number, since it is larger than the sum of its proper divisors (1).

9738997 is an equidigital number, since it uses as much as digits as its factorization.

9738997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 857304, while the sum is 52.

The square root of 9738997 is about 3120.7366117633. The cubic root of 9738997 is about 213.5525413342.

The spelling of 9738997 in words is "nine million, seven hundred thirty-eight thousand, nine hundred ninety-seven".