994393 has 2 divisors, whose sum is σ = 994394. Its totient is φ = 994392.

The previous prime is 994391. The next prime is 994417. The reversal of 994393 is 393499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 870489 + 123904 = 933^2 + 352^2 .

It is a cyclic number.

It is not a de Polignac number, because 994393 - 2¹ = 994391 is a prime.

Together with 994391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (994391) 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, 497196 + 497197.

It is an arithmetic number, because the mean of its divisors is an integer number (497197).

2⁹⁹⁴³⁹³ is an apocalyptic number.

It is an amenable number.

994393 is a deficient number, since it is larger than the sum of its proper divisors (1).

994393 is an equidigital number, since it uses as much as digits as its factorization.

994393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26244, while the sum is 37.

The square root of 994393 is about 997.1925591379. The cubic root of 994393 is about 99.8127495917.

The spelling of 994393 in words is "nine hundred ninety-four thousand, three hundred ninety-three".