3505828 has 12 divisors (see below), whose sum is σ = 6285132. Its totient is φ = 1710080.

The previous prime is 3505819. The next prime is 3505829. The reversal of 3505828 is 8285053.

It can be written as a sum of positive squares in 2 ways, for example, as 200704 + 3305124 = 448^2 + 1818^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3505828.

It is not an unprimeable number, because it can be changed into a prime (3505829) 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 3 ways as a sum of consecutive naturals, for example, 10525 + ... + 10852.

It is an arithmetic number, because the mean of its divisors is an integer number (523761).

Almost surely, 2^3505828 is an apocalyptic number.

It is an amenable number.

3505828 is a deficient number, since it is larger than the sum of its proper divisors (2779304).

3505828 is a wasteful number, since it uses less digits than its factorization.

3505828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21422 (or 21420 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 3505828 is about 1872.3856440381. The cubic root of 3505828 is about 151.9136744357.

The spelling of 3505828 in words is "three million, five hundred five thousand, eight hundred twenty-eight".