3845305 has 8 divisors (see below), whose sum is σ = 4712832. Its totient is φ = 3010608.

The previous prime is 3845297. The next prime is 3845311. The reversal of 3845305 is 5035483.

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 3845305 - 2³ = 3845297 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 7947 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (589104).

Almost surely, 2^3845305 is an apocalyptic number.

It is an amenable number.

3845305 is a deficient number, since it is larger than the sum of its proper divisors (867527).

3845305 is a wasteful number, since it uses less digits than its factorization.

3845305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16415.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3845305 is about 1960.9449252847. The cubic root of 3845305 is about 156.6667848699. Note that the first 3 decimals are identical.

The spelling of 3845305 in words is "three million, eight hundred forty-five thousand, three hundred five".