3005765 has 16 divisors (see below), whose sum is σ = 4156032. Its totient is φ = 2044224.

The previous prime is 3005749. The next prime is 3005771. The reversal of 3005765 is 5675003.

It is not a de Polignac number, because 3005765 - 2⁴ = 3005749 is a prime.

It is a Duffinian number.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 5222 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (259752).

Almost surely, 2^3005765 is an apocalyptic number.

3005765 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3005765 is a deficient number, since it is larger than the sum of its proper divisors (1150267).

3005765 is a wasteful number, since it uses less digits than its factorization.

3005765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 3005765 is about 1733.7142209718. The cubic root of 3005765 is about 144.3172820142.

The spelling of 3005765 in words is "three million, five thousand, seven hundred sixty-five".