3520828 has 12 divisors (see below), whose sum is σ = 6176632. Its totient is φ = 1756080.

The previous prime is 3520813. The next prime is 3520837. The reversal of 3520828 is 8280253.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3520796 and 3520805.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1351 + ... + 2977.

Almost surely, 2^3520828 is an apocalyptic number.

It is an amenable number.

3520828 is a deficient number, since it is larger than the sum of its proper divisors (2655804).

3520828 is a wasteful number, since it uses less digits than its factorization.

3520828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 3520828 is about 1876.3869536959. The cubic root of 3520828 is about 152.1300249372.

The spelling of 3520828 in words is "three million, five hundred twenty thousand, eight hundred twenty-eight".