9996403 has 4 divisors (see below), whose sum is σ = 10008288. Its totient is φ = 9984520.

The previous prime is 9996373. The next prime is 9996419. The reversal of 9996403 is 3046999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3046999 = 197 ⋅15467.

It is a cyclic number.

It is not a de Polignac number, because 9996403 - 2⁹ = 9995891 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (9996703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4576 + ... + 6397.

It is an arithmetic number, because the mean of its divisors is an integer number (2502072).

Almost surely, 2^9996403 is an apocalyptic number.

9996403 is a deficient number, since it is larger than the sum of its proper divisors (11885).

9996403 is a wasteful number, since it uses less digits than its factorization.

9996403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11884.

The product of its (nonzero) digits is 52488, while the sum is 40.

The square root of 9996403 is about 3161.7088733784. The cubic root of 9996403 is about 215.4176342334.

The spelling of 9996403 in words is "nine million, nine hundred ninety-six thousand, four hundred three".