9636481 has 2 divisors, whose sum is σ = 9636482. Its totient is φ = 9636480.

The previous prime is 9636479. The next prime is 9636493. The reversal of 9636481 is 1846369.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9096256 + 540225 = 3016^2 + 735^2 .

It is a cyclic number.

It is not a de Polignac number, because 9636481 - 2¹ = 9636479 is a prime.

It is a super-2 number, since 2×9636481² = 185723532126722, which contains 22 as substring.

Together with 9636479, it forms a pair of twin primes.

9636481 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9636481.

It is not a weakly prime, because it can be changed into another prime (9636421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4818240 + 4818241.

It is an arithmetic number, because the mean of its divisors is an integer number (4818241).

Almost surely, 2^9636481 is an apocalyptic number.

It is an amenable number.

9636481 is a deficient number, since it is larger than the sum of its proper divisors (1).

9636481 is an equidigital number, since it uses as much as digits as its factorization.

9636481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 9636481 is about 3104.2681907335. The cubic root of 9636481 is about 212.8005877577.

The spelling of 9636481 in words is "nine million, six hundred thirty-six thousand, four hundred eighty-one".