3000805 has 8 divisors (see below), whose sum is σ = 3612672. Its totient is φ = 2392848.

The previous prime is 3000797. The next prime is 3000821. The reversal of 3000805 is 5080003.

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 3000805 - 2³ = 3000797 is a prime.

It is a Duffinian number.

3000805 is a lucky number.

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, 1132 + ... + 2698.

It is an arithmetic number, because the mean of its divisors is an integer number (451584).

Almost surely, 2^3000805 is an apocalyptic number.

It is an amenable number.

3000805 is a deficient number, since it is larger than the sum of its proper divisors (611867).

3000805 is a wasteful number, since it uses less digits than its factorization.

3000805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 3000805 is about 1732.2831754653. The cubic root of 3000805 is about 144.2378559982.

Adding to 3000805 its reverse (5080003), we get a palindrome (8080808).

The spelling of 3000805 in words is "three million, eight hundred five", and thus it is an aban number.