6684620 has 12 divisors (see below), whose sum is σ = 14037744. Its totient is φ = 2673840.

The previous prime is 6684607. The next prime is 6684631. The reversal of 6684620 is 264866.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167096 + ... + 167135.

It is an arithmetic number, because the mean of its divisors is an integer number (1169812).

Almost surely, 2^6684620 is an apocalyptic number.

It is an amenable number.

6684620 is an abundant number, since it is smaller than the sum of its proper divisors (7353124).

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

6684620 is a wasteful number, since it uses less digits than its factorization.

6684620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334240 (or 334238 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6684620 is about 2585.4632080152. The cubic root of 6684620 is about 188.3760016794.

It can be divided in two parts, 66846 and 20, that added together give a palindrome (66866).

The spelling of 6684620 in words is "six million, six hundred eighty-four thousand, six hundred twenty".