9997349 has 2 divisors, whose sum is σ = 9997350.
Its totient is φ = 9997348.
The previous prime is 9997333. The next prime is 9997357. The reversal of 9997349 is 9437999.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6666724 + 3330625 = 2582^2 + 1825^2
It is an emirp because it is prime and its reverse (9437999) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 9997349 - 24 = 9997333 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 9997297 and 9997306.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (9997319) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998674 + 4998675.
It is an arithmetic number, because the mean of its divisors is an integer number (4998675).
Almost surely, 29997349 is an apocalyptic number.
It is an amenable number.
9997349 is a deficient number, since it is larger than the sum of its proper divisors (1).
9997349 is an equidigital number, since it uses as much as digits as its factorization.
9997349 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 551124, while the sum is 50.
The square root of 9997349 is about 3161.8584724810.
The cubic root of 9997349 is about 215.4244292994.
The spelling of 9997349 in words is "nine million, nine hundred ninety-seven thousand, three hundred forty-nine".