3706805 has 8 divisors (see below), whose sum is σ = 4682400. Its totient is φ = 2809296.

The previous prime is 3706777. The next prime is 3706817. The reversal of 3706805 is 5086073.

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

It is a cyclic number.

It is not a de Polignac number, because 3706805 - 2⁶ = 3706741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19415 + ... + 19604.

It is an arithmetic number, because the mean of its divisors is an integer number (585300).

Almost surely, 2^3706805 is an apocalyptic number.

It is an amenable number.

3706805 is a deficient number, since it is larger than the sum of its proper divisors (975595).

3706805 is a wasteful number, since it uses less digits than its factorization.

3706805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39043.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 3706805 is about 1925.3064691108. The cubic root of 3706805 is about 154.7628005659.

The spelling of 3706805 in words is "three million, seven hundred six thousand, eight hundred five".