6789969 has 12 divisors (see below), whose sum is σ = 10047492. Its totient is φ = 4416000.

The previous prime is 6789967. The next prime is 6789977. The reversal of 6789969 is 9699876.

It can be written as a sum of positive squares in 2 ways, for example, as 1440000 + 5349969 = 1200^2 + 2313^2 .

It is not a de Polignac number, because 6789969 - 2¹ = 6789967 is a prime.

It is a super-2 number, since 2×6789969² = 92207358041922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6789967) 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 11 ways as a sum of consecutive naturals, for example, 8832 + ... + 9569.

It is an arithmetic number, because the mean of its divisors is an integer number (837291).

Almost surely, 2^6789969 is an apocalyptic number.

It is an amenable number.

6789969 is a deficient number, since it is larger than the sum of its proper divisors (3257523).

6789969 is a wasteful number, since it uses less digits than its factorization.

6789969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18448 (or 18445 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 6789969 is about 2605.7568957982. The cubic root of 6789969 is about 189.3604442624.

The spelling of 6789969 in words is "six million, seven hundred eighty-nine thousand, nine hundred sixty-nine".