9847969 has 2 divisors, whose sum is σ = 9847970. Its totient is φ = 9847968.

The previous prime is 9847967. The next prime is 9847991. The reversal of 9847969 is 9697489.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9734400 + 113569 = 3120^2 + 337^2 .

It is a cyclic number.

It is not a de Polignac number, because 9847969 - 2¹ = 9847967 is a prime.

It is a super-2 number, since 2×9847969² = 193964986849922, which contains 22 as substring.

Together with 9847967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9847963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4923984 + 4923985.

It is an arithmetic number, because the mean of its divisors is an integer number (4923985).

Almost surely, 2^9847969 is an apocalyptic number.

It is an amenable number.

9847969 is a deficient number, since it is larger than the sum of its proper divisors (1).

9847969 is an equidigital number, since it uses as much as digits as its factorization.

9847969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 52.

The square root of 9847969 is about 3138.1473834095. The cubic root of 9847969 is about 214.3460859949.

It can be divided in two parts, 9847 and 969, that added together give a square (10816 = 104²).

The spelling of 9847969 in words is "nine million, eight hundred forty-seven thousand, nine hundred sixty-nine".