5671805 has 16 divisors (see below), whose sum is σ = 7015680. Its totient is φ = 4400448.

The previous prime is 5671801. The next prime is 5671807. The reversal of 5671805 is 5081765.

It is a cyclic number.

It is not a de Polignac number, because 5671805 - 2² = 5671801 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 32699 + ... + 32871.

It is an arithmetic number, because the mean of its divisors is an integer number (438480).

Almost surely, 2^5671805 is an apocalyptic number.

It is an amenable number.

5671805 is a deficient number, since it is larger than the sum of its proper divisors (1343875).

5671805 is a wasteful number, since it uses less digits than its factorization.

5671805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 5671805 is about 2381.5551641732. Note that the first 3 decimals coincide. The cubic root of 5671805 is about 178.3365785844.

The spelling of 5671805 in words is "five million, six hundred seventy-one thousand, eight hundred five".