999066403 has 2 divisors, whose sum is σ = 999066404. Its totient is φ = 999066402.

The previous prime is 999066389. The next prime is 999066461. The reversal of 999066403 is 304660999.

999066403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (304660999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 999066403 - 2⁵ = 999066371 is a prime.

It is not a weakly prime, because it can be changed into another prime (999066463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499533201 + 499533202.

It is an arithmetic number, because the mean of its divisors is an integer number (499533202).

Almost surely, 2^999066403 is an apocalyptic number.

999066403 is a deficient number, since it is larger than the sum of its proper divisors (1).

999066403 is an equidigital number, since it uses as much as digits as its factorization.

999066403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 999066403 is about 31608.0116900763. The cubic root of 999066403 is about 999.6887041049.

The spelling of 999066403 in words is "nine hundred ninety-nine million, sixty-six thousand, four hundred three".