6789447 has 16 divisors (see below), whose sum is σ = 11495680. Its totient is φ = 3879576.

The previous prime is 6789427. The next prime is 6789469. The reversal of 6789447 is 7449876.

It is not a de Polignac number, because 6789447 - 2⁶ = 6789383 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6789407) 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 in 15 ways as a sum of consecutive naturals, for example, 17773 + ... + 18150.

It is an arithmetic number, because the mean of its divisors is an integer number (718480).

Almost surely, 2^6789447 is an apocalyptic number.

6789447 is a deficient number, since it is larger than the sum of its proper divisors (4706233).

6789447 is a wasteful number, since it uses less digits than its factorization.

6789447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35939 (or 35933 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6789447 is about 2605.6567310373. The cubic root of 6789447 is about 189.3555915802.

The spelling of 6789447 in words is "six million, seven hundred eighty-nine thousand, four hundred forty-seven".