3066905 has 4 divisors (see below), whose sum is σ = 3680292. Its totient is φ = 2453520.

The previous prime is 3066901. The next prime is 3066911. The reversal of 3066905 is 5096603.

3066905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5096603 = 1511 ⋅3373.

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 2374681 = 832^2 + 1541^2 .

It is not a de Polignac number, because 3066905 - 2² = 3066901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3066901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306686 + ... + 306695.

It is an arithmetic number, because the mean of its divisors is an integer number (920073).

Almost surely, 2^3066905 is an apocalyptic number.

It is an amenable number.

3066905 is a deficient number, since it is larger than the sum of its proper divisors (613387).

3066905 is an equidigital number, since it uses as much as digits as its factorization.

3066905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613386.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 3066905 is about 1751.2581191817. The cubic root of 3066905 is about 145.2892363807.

The spelling of 3066905 in words is "three million, sixty-six thousand, nine hundred five".