6685430 has 8 divisors (see below), whose sum is σ = 12033792. Its totient is φ = 2674168.

The previous prime is 6685409. The next prime is 6685447. The reversal of 6685430 is 345866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 6⁷ + 6⁸ + 8 + 5³ + 4¹¹ + 3¹² + 0 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334262 + ... + 334281.

It is an arithmetic number, because the mean of its divisors is an integer number (1504224).

Almost surely, 2^6685430 is an apocalyptic number.

6685430 is a deficient number, since it is larger than the sum of its proper divisors (5348362).

6685430 is a wasteful number, since it uses less digits than its factorization.

6685430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668550.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6685430 is about 2585.6198483149. The cubic root of 6685430 is about 188.3836101098.

The spelling of 6685430 in words is "six million, six hundred eighty-five thousand, four hundred thirty".