3040505 has 16 divisors (see below), whose sum is σ = 4067280. Its totient is φ = 2166528.

The previous prime is 3040489. The next prime is 3040517. The reversal of 3040505 is 5050403.

3040505 = T₁₄₈ + T₁₄₉ + ... + T₂₇₇.

It can be written as a sum of positive squares in 8 ways, for example, as 109561 + 2930944 = 331^2 + 1712^2 .

It is not a de Polignac number, because 3040505 - 2⁴ = 3040489 is a prime.

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, 1079 + ... + 2691.

It is an arithmetic number, because the mean of its divisors is an integer number (254205).

Almost surely, 2^3040505 is an apocalyptic number.

It is an amenable number.

3040505 is a deficient number, since it is larger than the sum of its proper divisors (1026775).

3040505 is a wasteful number, since it uses less digits than its factorization.

3040505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 3040505 is about 1743.7043900845. The cubic root of 3040505 is about 144.8711499028.

Adding to 3040505 its reverse (5050403), we get a palindrome (8090908).

The spelling of 3040505 in words is "three million, forty thousand, five hundred five".