806528 has 16 divisors (see below), whose sum is σ = 1607010. Its totient is φ = 403200.

The previous prime is 806521. The next prime is 806543. The reversal of 806528 is 825608.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 652864 + 153664 = 808^2 + 392^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 806528.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 806528.

It is not an unprimeable number, because it can be changed into a prime (806521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3023 + ... + 3278.

2⁸⁰⁶⁵²⁸ is an apocalyptic number.

It is an amenable number.

806528 is a deficient number, since it is larger than the sum of its proper divisors (800482).

806528 is an equidigital number, since it uses as much as digits as its factorization.

806528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315 (or 6303 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 806528 is about 898.0690396623. The cubic root of 806528 is about 93.0835953949.

The spelling of 806528 in words is "eight hundred six thousand, five hundred twenty-eight".