9940297 has 2 divisors, whose sum is σ = 9940298. Its totient is φ = 9940296.

The previous prime is 9940283. The next prime is 9940313. The reversal of 9940297 is 7920499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8620096 + 1320201 = 2936^2 + 1149^2 .

It is a cyclic number.

It is not a de Polignac number, because 9940297 - 2¹¹ = 9938249 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9940247) 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, 4970148 + 4970149.

It is an arithmetic number, because the mean of its divisors is an integer number (4970149).

Almost surely, 2^9940297 is an apocalyptic number.

It is an amenable number.

9940297 is a deficient number, since it is larger than the sum of its proper divisors (1).

9940297 is an equidigital number, since it uses as much as digits as its factorization.

9940297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 9940297 is about 3152.8236550749. The cubic root of 9940297 is about 215.0138588506.

It can be divided in two parts, 99402 and 97, that added together give a palindrome (99499).

The spelling of 9940297 in words is "nine million, nine hundred forty thousand, two hundred ninety-seven".