3305405 has 8 divisors (see below), whose sum is σ = 4022784. Its totient is φ = 2606800.

The previous prime is 3305389. The next prime is 3305417. The reversal of 3305405 is 5045033.

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

It is not a de Polignac number, because 3305405 - 2⁴ = 3305389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4301 + ... + 5010.

It is an arithmetic number, because the mean of its divisors is an integer number (502848).

Almost surely, 2^3305405 is an apocalyptic number.

It is an amenable number.

3305405 is a deficient number, since it is larger than the sum of its proper divisors (717379).

3305405 is an equidigital number, since it uses as much as digits as its factorization.

3305405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9387.

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 3305405 is about 1818.0772810857. The cubic root of 3305405 is about 148.9617937264.

The spelling of 3305405 in words is "three million, three hundred five thousand, four hundred five".