996403 has 2 divisors, whose sum is σ = 996404. Its totient is φ = 996402.

The previous prime is 996367. The next prime is 996407. The reversal of 996403 is 304699.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996403 is a prime.

It is not a weakly prime, because it can be changed into another prime (996407) 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, 498201 + 498202.

It is an arithmetic number, because the mean of its divisors is an integer number (498202).

2⁹⁹⁶⁴⁰³ is an apocalyptic number.

996403 is a deficient number, since it is larger than the sum of its proper divisors (1).

996403 is an equidigital number, since it uses as much as digits as its factorization.

996403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 996403 is about 998.1998797836. The cubic root of 996403 is about 99.8799559519.

The spelling of 996403 in words is "nine hundred ninety-six thousand, four hundred three".