9930197 has 2 divisors, whose sum is σ = 9930198. Its totient is φ = 9930196.

The previous prime is 9930191. The next prime is 9930233. The reversal of 9930197 is 7910399.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9821956 + 108241 = 3134^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 9930197 - 2²² = 5735893 is a prime.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 9930197 parts by 4456 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 9930197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9930191) 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, 4965098 + 4965099.

It is an arithmetic number, because the mean of its divisors is an integer number (4965099).

Almost surely, 2^9930197 is an apocalyptic number.

It is an amenable number.

9930197 is a deficient number, since it is larger than the sum of its proper divisors (1).

9930197 is an equidigital number, since it uses as much as digits as its factorization.

9930197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 9930197 is about 3151.2215091929. The cubic root of 9930197 is about 214.9410113995.

The spelling of 9930197 in words is "nine million, nine hundred thirty thousand, one hundred ninety-seven".