6869989 has 8 divisors (see below), whose sum is σ = 8313408. Its totient is φ = 5542080.

The previous prime is 6869987. The next prime is 6870011. The reversal of 6869989 is 9899686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6869989 - 2¹ = 6869987 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6869987) 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 7 ways as a sum of consecutive naturals, for example, 28747 + ... + 28984.

It is an arithmetic number, because the mean of its divisors is an integer number (1039176).

Almost surely, 2^6869989 is an apocalyptic number.

It is an amenable number.

6869989 is a deficient number, since it is larger than the sum of its proper divisors (1443419).

6869989 is a wasteful number, since it uses less digits than its factorization.

6869989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57755.

The product of its digits is 1679616, while the sum is 55.

The square root of 6869989 is about 2621.0663860345. The cubic root of 6869989 is about 190.1014140039.

The spelling of 6869989 in words is "six million, eight hundred sixty-nine thousand, nine hundred eighty-nine".