805328628 has 48 divisors (see below), whose sum is σ = 2025589440. Its totient is φ = 247555584.

The previous prime is 805328621. The next prime is 805328659. The reversal of 805328628 is 826823508.

It is a self number, because there is not a number n which added to its sum of digits gives 805328628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805328621) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 230551 + ... + 234017.

It is an arithmetic number, because the mean of its divisors is an integer number (42199780).

Almost surely, 2^805328628 is an apocalyptic number.

It is an amenable number.

805328628 is an abundant number, since it is smaller than the sum of its proper divisors (1220260812).

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

805328628 is a wasteful number, since it uses less digits than its factorization.

805328628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4976 (or 4974 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 805328628 is about 28378.3126348273. The cubic root of 805328628 is about 930.3743157337.

The spelling of 805328628 in words is "eight hundred five million, three hundred twenty-eight thousand, six hundred twenty-eight".