9903241 has 2 divisors, whose sum is σ = 9903242. Its totient is φ = 9903240.

The previous prime is 9903227. The next prime is 9903247. The reversal of 9903241 is 1423099.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5659641 + 4243600 = 2379^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 9903241 - 2¹³ = 9895049 is a prime.

It is not a weakly prime, because it can be changed into another prime (9903247) 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, 4951620 + 4951621.

It is an arithmetic number, because the mean of its divisors is an integer number (4951621).

Almost surely, 2^9903241 is an apocalyptic number.

It is an amenable number.

9903241 is a deficient number, since it is larger than the sum of its proper divisors (1).

9903241 is an equidigital number, since it uses as much as digits as its factorization.

9903241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9903241 is about 3146.9415310743. The cubic root of 9903241 is about 214.7463458933.

The spelling of 9903241 in words is "nine million, nine hundred three thousand, two hundred forty-one".