6694789 has 8 divisors (see below), whose sum is σ = 6851520. Its totient is φ = 6539616.

The previous prime is 6694769. The next prime is 6694823. The reversal of 6694789 is 9874966.

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 6694789 - 2¹⁹ = 6170501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13504 + ... + 13990.

It is an arithmetic number, because the mean of its divisors is an integer number (856440).

Almost surely, 2^6694789 is an apocalyptic number.

It is an amenable number.

6694789 is a deficient number, since it is larger than the sum of its proper divisors (156731).

6694789 is a wasteful number, since it uses less digits than its factorization.

6694789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its digits is 653184, while the sum is 49.

The square root of 6694789 is about 2587.4290328432. The cubic root of 6694789 is about 188.4714758181.

The spelling of 6694789 in words is "six million, six hundred ninety-four thousand, seven hundred eighty-nine".