6784940 has 12 divisors (see below), whose sum is σ = 14248416. Its totient is φ = 2713968.

The previous prime is 6784937. The next prime is 6784961. The reversal of 6784940 is 494876.

It is a happy number.

6784940 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×6784940³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6784894 and 6784903.

It is an unprimeable number.

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, 169604 + ... + 169643.

It is an arithmetic number, because the mean of its divisors is an integer number (1187368).

Almost surely, 2^6784940 is an apocalyptic number.

It is an amenable number.

6784940 is an abundant number, since it is smaller than the sum of its proper divisors (7463476).

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

6784940 is a wasteful number, since it uses less digits than its factorization.

6784940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339256 (or 339254 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 6784940 is about 2604.7917383161. The cubic root of 6784940 is about 189.3136826902.

Subtracting from 6784940 its reverse (494876), we obtain a square (6290064 = 2508²).

The spelling of 6784940 in words is "six million, seven hundred eighty-four thousand, nine hundred forty".