3040405 has 8 divisors (see below), whose sum is σ = 3683232. Its totient is φ = 2409168.

The previous prime is 3040391. The next prime is 3040409. The reversal of 3040405 is 5040403.

3040405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3040405 - 2⁷ = 3040277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040409) 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 7 ways as a sum of consecutive naturals, for example, 2307 + ... + 3376.

It is an arithmetic number, because the mean of its divisors is an integer number (460404).

Almost surely, 2^3040405 is an apocalyptic number.

It is an amenable number.

3040405 is a deficient number, since it is larger than the sum of its proper divisors (642827).

3040405 is a wasteful number, since it uses less digits than its factorization.

3040405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 3040405 is about 1743.6757152636. The cubic root of 3040405 is about 144.8695616498.

Adding to 3040405 its reverse (5040403), we get a palindrome (8080808).

The spelling of 3040405 in words is "three million, forty thousand, four hundred five".