6684930 has 112 divisors (see below), whose sum is σ = 20775744. Its totient is φ = 1516320.

The previous prime is 6684913. The next prime is 6684959. The reversal of 6684930 is 394866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 50965 + ... + 51095.

Almost surely, 2^6684930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6684930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10387872).

6684930 is an abundant number, since it is smaller than the sum of its proper divisors (14090814).

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

6684930 is a wasteful number, since it uses less digits than its factorization.

6684930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6684930 is about 2585.5231578928. The cubic root of 6684930 is about 188.3789136204.

Subtracting from 6684930 its reverse (394866), we obtain a square (6290064 = 2508²).

The spelling of 6684930 in words is "six million, six hundred eighty-four thousand, nine hundred thirty".