6556806 has 12 divisors (see below), whose sum is σ = 14206452. Its totient is φ = 2185596.

The previous prime is 6556799. The next prime is 6556831. The reversal of 6556806 is 6086556.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182116 + ... + 182151.

It is an arithmetic number, because the mean of its divisors is an integer number (1183871).

Almost surely, 2^6556806 is an apocalyptic number.

6556806 is an abundant number, since it is smaller than the sum of its proper divisors (7649646).

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

6556806 is a wasteful number, since it uses less digits than its factorization.

6556806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364275 (or 364272 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 6556806 is about 2560.6260953134. The cubic root of 6556806 is about 187.1676458988.

The spelling of 6556806 in words is "six million, five hundred fifty-six thousand, eight hundred six".