9824641 has 2 divisors, whose sum is σ = 9824642. Its totient is φ = 9824640.

The previous prime is 9824537. The next prime is 9824651. The reversal of 9824641 is 1464289.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9363600 + 461041 = 3060^2 + 679^2 .

It is an emirp because it is prime and its reverse (1464289) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9824641 - 2¹³ = 9816449 is a prime.

9824641 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9824597 and 9824606.

It is not a weakly prime, because it can be changed into another prime (9824651) 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, 4912320 + 4912321.

It is an arithmetic number, because the mean of its divisors is an integer number (4912321).

Almost surely, 2^9824641 is an apocalyptic number.

It is an amenable number.

9824641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9824641 is an equidigital number, since it uses as much as digits as its factorization.

9824641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 9824641 is about 3134.4283370337. The cubic root of 9824641 is about 214.1767035591.

The spelling of 9824641 in words is "nine million, eight hundred twenty-four thousand, six hundred forty-one".