9849247 has 2 divisors, whose sum is σ = 9849248. Its totient is φ = 9849246.

The previous prime is 9849223. The next prime is 9849251. The reversal of 9849247 is 7429489.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9849247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9840247) 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, 4924623 + 4924624.

It is an arithmetic number, because the mean of its divisors is an integer number (4924624).

Almost surely, 2^9849247 is an apocalyptic number.

9849247 is a deficient number, since it is larger than the sum of its proper divisors (1).

9849247 is an equidigital number, since it uses as much as digits as its factorization.

9849247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 43.

The square root of 9849247 is about 3138.3510001273. The cubic root of 9849247 is about 214.3553577019.

The spelling of 9849247 in words is "nine million, eight hundred forty-nine thousand, two hundred forty-seven".