3287928 has 32 divisors (see below), whose sum is σ = 9394560. Its totient is φ = 939360.

The previous prime is 3287917. The next prime is 3287941. The reversal of 3287928 is 8297823.

3287928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 9618 + ... + 9953.

It is an arithmetic number, because the mean of its divisors is an integer number (293580).

Almost surely, 2^3287928 is an apocalyptic number.

It is an amenable number.

3287928 is an abundant number, since it is smaller than the sum of its proper divisors (6106632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3287928 is a wasteful number, since it uses less digits than its factorization.

3287928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19587 (or 19583 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 3287928 is about 1813.2644594763. The cubic root of 3287928 is about 148.6987894238.

It can be divided in two parts, 328 and 7928, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 3287928 in words is "three million, two hundred eighty-seven thousand, nine hundred twenty-eight".