9903493 has 2 divisors, whose sum is σ = 9903494. Its totient is φ = 9903492.

The previous prime is 9903473. The next prime is 9903499. The reversal of 9903493 is 3943099.

9903493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 31329 = 3142^2 + 177^2 .

It is a cyclic number.

It is not a de Polignac number, because 9903493 - 2¹⁷ = 9772421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9903499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4951746 + 4951747.

It is an arithmetic number, because the mean of its divisors is an integer number (4951747).

Almost surely, 2^9903493 is an apocalyptic number.

It is an amenable number.

9903493 is a deficient number, since it is larger than the sum of its proper divisors (1).

9903493 is an equidigital number, since it uses as much as digits as its factorization.

9903493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 9903493 is about 3146.9815696950. The cubic root of 9903493 is about 214.7481673718.

The spelling of 9903493 in words is "nine million, nine hundred three thousand, four hundred ninety-three".