6684920 has 32 divisors (see below), whose sum is σ = 16409520. Its totient is φ = 2430720.

The previous prime is 6684913. The next prime is 6684959. The reversal of 6684920 is 294866.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7157 + ... + 8036.

Almost surely, 2^6684920 is an apocalyptic number.

It is an amenable number.

6684920 is an abundant number, since it is smaller than the sum of its proper divisors (9724600).

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

6684920 is a wasteful number, since it uses less digits than its factorization.

6684920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15215 (or 15211 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 6684920 is about 2585.5212240475. The cubic root of 6684920 is about 188.3788196882.

The spelling of 6684920 in words is "six million, six hundred eighty-four thousand, nine hundred twenty".