3305128 has 8 divisors (see below), whose sum is σ = 6197130. Its totient is φ = 1652560.

The previous prime is 3305119. The next prime is 3305147. The reversal of 3305128 is 8215033.

3305128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3305124 + 4 = 1818^2 + 2^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 3305099 and 3305108.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 206563 + ... + 206578.

Almost surely, 2^3305128 is an apocalyptic number.

It is an amenable number.

3305128 is a deficient number, since it is larger than the sum of its proper divisors (2892002).

3305128 is a wasteful number, since it uses less digits than its factorization.

3305128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413147 (or 413143 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3305128 is about 1818.0011001097. The cubic root of 3305128 is about 148.9576325047.

The spelling of 3305128 in words is "three million, three hundred five thousand, one hundred twenty-eight".