5671806 has 16 divisors (see below), whose sum is σ = 12964224. Its totient is φ = 1620504.

The previous prime is 5671801. The next prime is 5671807. The reversal of 5671806 is 6081765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5671801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67480 + ... + 67563.

It is an arithmetic number, because the mean of its divisors is an integer number (810264).

Almost surely, 2^5671806 is an apocalyptic number.

5671806 is an abundant number, since it is smaller than the sum of its proper divisors (7292418).

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

5671806 is a wasteful number, since it uses less digits than its factorization.

5671806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135055.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 5671806 is about 2381.5553741200. Note that the first 3 decimals coincide. The cubic root of 5671806 is about 178.3365890653.

The spelling of 5671806 in words is "five million, six hundred seventy-one thousand, eight hundred six".