994447 has 2 divisors, whose sum is σ = 994448. Its totient is φ = 994446.

The previous prime is 994417. The next prime is 994453. The reversal of 994447 is 744499.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 994447 - 2⁷ = 994319 is a prime.

994447 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497223 + 497224.

It is an arithmetic number, because the mean of its divisors is an integer number (497224).

2⁹⁹⁴⁴⁴⁷ is an apocalyptic number.

994447 is a deficient number, since it is larger than the sum of its proper divisors (1).

994447 is an equidigital number, since it uses as much as digits as its factorization.

994447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 994447 is about 997.2196347846. The cubic root of 994447 is about 99.8145563190.

It can be divided in two parts, 994 and 447, that added together give a palindrome (1441).

The spelling of 994447 in words is "nine hundred ninety-four thousand, four hundred forty-seven".