9816481 has 2 divisors, whose sum is σ = 9816482. Its totient is φ = 9816480.

The previous prime is 9816451. The next prime is 9816517. The reversal of 9816481 is 1846189.

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., 9150625 + 665856 = 3025^2 + 816^2 .

It is a cyclic number.

It is not a de Polignac number, because 9816481 - 2⁵ = 9816449 is a prime.

It is a super-2 number, since 2×9816481² = 192726598446722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9816481.

It is not a weakly prime, because it can be changed into another prime (9816451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4908240 + 4908241.

It is an arithmetic number, because the mean of its divisors is an integer number (4908241).

Almost surely, 2^9816481 is an apocalyptic number.

It is an amenable number.

9816481 is a deficient number, since it is larger than the sum of its proper divisors (1).

9816481 is an equidigital number, since it uses as much as digits as its factorization.

9816481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 37.

The square root of 9816481 is about 3133.1263938756. The cubic root of 9816481 is about 214.1173912654.

The spelling of 9816481 in words is "nine million, eight hundred sixteen thousand, four hundred eighty-one".