3040445 has 4 divisors (see below), whose sum is σ = 3648540. Its totient is φ = 2432352.

The previous prime is 3040409. The next prime is 3040469. The reversal of 3040445 is 5440403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 515524 + 2524921 = 718^2 + 1589^2 .

It is a cyclic number.

It is not a de Polignac number, because 3040445 - 2⁶ = 3040381 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 304040 + ... + 304049.

It is an arithmetic number, because the mean of its divisors is an integer number (912135).

Almost surely, 2^3040445 is an apocalyptic number.

It is an amenable number.

3040445 is a deficient number, since it is larger than the sum of its proper divisors (608095).

3040445 is an equidigital number, since it uses as much as digits as its factorization.

3040445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608094.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 3040445 is about 1743.6871852485. The cubic root of 3040445 is about 144.8701969551.

Adding to 3040445 its reverse (5440403), we get a palindrome (8480848).

The spelling of 3040445 in words is "three million, forty thousand, four hundred forty-five".