3040305 has 16 divisors (see below), whose sum is σ = 4899264. Its totient is φ = 1609920.

The previous prime is 3040283. The next prime is 3040307. The reversal of 3040305 is 5030403.

It is not a de Polignac number, because 3040305 - 2⁶ = 3040241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

3040305 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3040307) 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, 1710 + ... + 3000.

It is an arithmetic number, because the mean of its divisors is an integer number (306204).

Almost surely, 2^3040305 is an apocalyptic number.

It is an amenable number.

3040305 is a deficient number, since it is larger than the sum of its proper divisors (1858959).

3040305 is a wasteful number, since it uses less digits than its factorization.

3040305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 3040305 is about 1743.6470399711. The cubic root of 3040305 is about 144.8679733619.

Adding to 3040305 its reverse (5030403), we get a palindrome (8070708).

The spelling of 3040305 in words is "three million, forty thousand, three hundred five".