3000305 has 16 divisors (see below), whose sum is σ = 4489344. Its totient is φ = 1870080.

The previous prime is 3000301. The next prime is 3000317. The reversal of 3000305 is 5030003.

3000305 = T₁₀₉₃ + T₁₀₉₄ + ... + T₁₀₉₇.

It is not a de Polignac number, because 3000305 - 2² = 3000301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3000301) 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, 3512 + ... + 4281.

It is an arithmetic number, because the mean of its divisors is an integer number (280584).

Almost surely, 2^3000305 is an apocalyptic number.

3000305 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3000305 is a deficient number, since it is larger than the sum of its proper divisors (1489039).

3000305 is a wasteful number, since it uses less digits than its factorization.

3000305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7816.

The product of its (nonzero) digits is 45, while the sum is 11.

The square root of 3000305 is about 1732.1388512472. The cubic root of 3000305 is about 144.2298444887.

Adding to 3000305 its reverse (5030003), we get a palindrome (8030308).

The spelling of 3000305 in words is "three million, three hundred five", and thus it is an aban number.