994997 has 2 divisors, whose sum is σ = 994998. Its totient is φ = 994996.

The previous prime is 994991. The next prime is 995009. The reversal of 994997 is 799499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 972196 + 22801 = 986^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 994997 - 2⁶ = 994933 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994991) 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, 497498 + 497499.

It is an arithmetic number, because the mean of its divisors is an integer number (497499).

2⁹⁹⁴⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

994997 is a deficient number, since it is larger than the sum of its proper divisors (1).

994997 is an equidigital number, since it uses as much as digits as its factorization.

994997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 47.

The square root of 994997 is about 997.4953633977. The cubic root of 994997 is about 99.8329544465.

It can be divided in two parts, 994 and 997, that added together give a palindrome (1991).

The spelling of 994997 in words is "nine hundred ninety-four thousand, nine hundred ninety-seven".