799447 has 6 divisors (see below), whose sum is σ = 878864. Its totient is φ = 726660.

The previous prime is 799441. The next prime is 799453. The reversal of 799447 is 744997.

It is an interprime number because it is at equal distance from previous prime (799441) and next prime (799453).

It is not a de Polignac number, because 799447 - 2¹¹ = 797399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799441) 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 in 5 ways as a sum of consecutive naturals, for example, 3183 + ... + 3424.

2⁷⁹⁹⁴⁴⁷ is an apocalyptic number.

799447 is a deficient number, since it is larger than the sum of its proper divisors (79417).

799447 is a wasteful number, since it uses less digits than its factorization.

799447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629 (or 6618 counting only the distinct ones).

The product of its digits is 63504, while the sum is 40.

The square root of 799447 is about 894.1180011609. The cubic root of 799447 is about 92.8103817532.

The spelling of 799447 in words is "seven hundred ninety-nine thousand, four hundred forty-seven".