6685606 has 8 divisors (see below), whose sum is σ = 10556280. Its totient is φ = 3166848.

The previous prime is 6685603. The next prime is 6685619. The reversal of 6685606 is 6065866.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6685603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87931 + ... + 88006.

It is an arithmetic number, because the mean of its divisors is an integer number (1319535).

Almost surely, 2^6685606 is an apocalyptic number.

6685606 is a deficient number, since it is larger than the sum of its proper divisors (3870674).

6685606 is a wasteful number, since it uses less digits than its factorization.

6685606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175958.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 6685606 is about 2585.6538824831. The cubic root of 6685606 is about 188.3852632183.

The spelling of 6685606 in words is "six million, six hundred eighty-five thousand, six hundred six".