6689043 has 12 divisors (see below), whose sum is σ = 9689680. Its totient is φ = 4446576.

The previous prime is 6689029. The next prime is 6689047. The reversal of 6689043 is 3409866.

It is not a de Polignac number, because 6689043 - 2¹³ = 6680851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6688989 and 6689007.

It is not an unprimeable number, because it can be changed into a prime (6689047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3105 + ... + 4797.

Almost surely, 2^6689043 is an apocalyptic number.

6689043 is a deficient number, since it is larger than the sum of its proper divisors (3000637).

6689043 is a wasteful number, since it uses less digits than its factorization.

6689043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138 (or 2135 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6689043 is about 2586.3184258710. The cubic root of 6689043 is about 188.4175399846.

The spelling of 6689043 in words is "six million, six hundred eighty-nine thousand, forty-three".