6927989 has 8 divisors (see below), whose sum is σ = 7340640. Its totient is φ = 6520176.

The previous prime is 6927979. The next prime is 6927997. The reversal of 6927989 is 9897296.

6927989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6927989 - 2¹² = 6923893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6927979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1979 + ... + 4215.

It is an arithmetic number, because the mean of its divisors is an integer number (917580).

Almost surely, 2^6927989 is an apocalyptic number.

It is an amenable number.

6927989 is a deficient number, since it is larger than the sum of its proper divisors (412651).

6927989 is a wasteful number, since it uses less digits than its factorization.

6927989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its digits is 489888, while the sum is 50.

The square root of 6927989 is about 2632.1073306383. The cubic root of 6927989 is about 190.6348936547.

The spelling of 6927989 in words is "six million, nine hundred twenty-seven thousand, nine hundred eighty-nine".