3405505 has 16 divisors (see below), whose sum is σ = 4276224. Its totient is φ = 2600640.

The previous prime is 3405473. The next prime is 3405509. The reversal of 3405505 is 5055043.

It is a happy number.

It is not a de Polignac number, because 3405505 - 2⁵ = 3405473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405509) by changing a digit.

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, 19599 + ... + 19771.

It is an arithmetic number, because the mean of its divisors is an integer number (267264).

Almost surely, 2^3405505 is an apocalyptic number.

It is an amenable number.

3405505 is a deficient number, since it is larger than the sum of its proper divisors (870719).

3405505 is a wasteful number, since it uses less digits than its factorization.

3405505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336.

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 3405505 is about 1845.4010404245. The cubic root of 3405505 is about 150.4505711418.

The spelling of 3405505 in words is "three million, four hundred five thousand, five hundred five".