994663 has 2 divisors, whose sum is σ = 994664. Its totient is φ = 994662.

The previous prime is 994657. The next prime is 994667. The reversal of 994663 is 366499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994663 - 2¹³ = 986471 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497331 + 497332.

It is an arithmetic number, because the mean of its divisors is an integer number (497332).

2⁹⁹⁴⁶⁶³ is an apocalyptic number.

994663 is a deficient number, since it is larger than the sum of its proper divisors (1).

994663 is an equidigital number, since it uses as much as digits as its factorization.

994663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 37.

The square root of 994663 is about 997.3279300210. The cubic root of 994663 is about 99.8217825742.

The spelling of 994663 in words is "nine hundred ninety-four thousand, six hundred sixty-three".