3004945 has 16 divisors (see below), whose sum is σ = 3882240. Its totient is φ = 2225664.

The previous prime is 3004943. The next prime is 3004957. The reversal of 3004945 is 5494003.

3004945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3004945 - 2¹ = 3004943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3004943) 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 15 ways as a sum of consecutive naturals, for example, 4129 + ... + 4801.

It is an arithmetic number, because the mean of its divisors is an integer number (242640).

Almost surely, 2^3004945 is an apocalyptic number.

It is an amenable number.

3004945 is a deficient number, since it is larger than the sum of its proper divisors (877295).

3004945 is a wasteful number, since it uses less digits than its factorization.

3004945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3004945 is about 1733.4777183454. The cubic root of 3004945 is about 144.3041571320.

Adding to 3004945 its reverse (5494003), we get a palindrome (8498948).

The spelling of 3004945 in words is "three million, four thousand, nine hundred forty-five".