6793840 has 40 divisors (see below), whose sum is σ = 15923088. Its totient is φ = 2695680.

The previous prime is 6793837. The next prime is 6793841. The reversal of 6793840 is 483976.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 6793840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6793841) 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, 12780 + ... + 13300.

Almost surely, 2^6793840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6793840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7961544).

6793840 is an abundant number, since it is smaller than the sum of its proper divisors (9129248).

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

6793840 is a wasteful number, since it uses less digits than its factorization.

6793840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6793840 is about 2606.4995683867. The cubic root of 6793840 is about 189.3964225821.

The spelling of 6793840 in words is "six million, seven hundred ninety-three thousand, eight hundred forty".