9904403 has 2 divisors, whose sum is σ = 9904404. Its totient is φ = 9904402.

The previous prime is 9904397. The next prime is 9904441. The reversal of 9904403 is 3044099.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9904403 - 2¹⁰ = 9903379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (9904483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4952201 + 4952202.

It is an arithmetic number, because the mean of its divisors is an integer number (4952202).

Almost surely, 2^9904403 is an apocalyptic number.

9904403 is a deficient number, since it is larger than the sum of its proper divisors (1).

9904403 is an equidigital number, since it uses as much as digits as its factorization.

9904403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 9904403 is about 3147.1261493623. The cubic root of 9904403 is about 214.7547446756.

The spelling of 9904403 in words is "nine million, nine hundred four thousand, four hundred three".