6789144 has 16 divisors (see below), whose sum is σ = 16972920. Its totient is φ = 2263040.

The previous prime is 6789143. The next prime is 6789157. The reversal of 6789144 is 4419876.

It is a happy number.

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6789143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141417 + ... + 141464.

Almost surely, 2^6789144 is an apocalyptic number.

It is an amenable number.

6789144 is an abundant number, since it is smaller than the sum of its proper divisors (10183776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6789144 is a wasteful number, since it uses less digits than its factorization.

6789144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282890 (or 282886 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 6789144 is about 2605.5985876570. The cubic root of 6789144 is about 189.3527746793.

The spelling of 6789144 in words is "six million, seven hundred eighty-nine thousand, one hundred forty-four".