6928789 has 4 divisors (see below), whose sum is σ = 7918624. Its totient is φ = 5938956.

The previous prime is 6928781. The next prime is 6928793. The reversal of 6928789 is 9878296.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6928789 - 2³ = 6928781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6928781) 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 3 ways as a sum of consecutive naturals, for example, 494907 + ... + 494920.

It is an arithmetic number, because the mean of its divisors is an integer number (1979656).

Almost surely, 2^6928789 is an apocalyptic number.

It is an amenable number.

6928789 is a deficient number, since it is larger than the sum of its proper divisors (989835).

6928789 is an equidigital number, since it uses as much as digits as its factorization.

6928789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989834.

The product of its digits is 435456, while the sum is 49.

The square root of 6928789 is about 2632.2592957382. The cubic root of 6928789 is about 190.6422311397.

The spelling of 6928789 in words is "six million, nine hundred twenty-eight thousand, seven hundred eighty-nine".