5591806 has 32 divisors (see below), whose sum is σ = 9808128. Its totient is φ = 2365440.

The previous prime is 5591801. The next prime is 5591813. The reversal of 5591806 is 6081955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5591801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21630 + ... + 21886.

It is an arithmetic number, because the mean of its divisors is an integer number (306504).

Almost surely, 2^5591806 is an apocalyptic number.

5591806 is a deficient number, since it is larger than the sum of its proper divisors (4216322).

5591806 is a wasteful number, since it uses less digits than its factorization.

5591806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5591806 is about 2364.6999809701. The cubic root of 5591806 is about 177.4941451484.

The spelling of 5591806 in words is "five million, five hundred ninety-one thousand, eight hundred six".