816528 has 20 divisors (see below), whose sum is σ = 2109488. Its totient is φ = 272160.

The previous prime is 816521. The next prime is 816539. The reversal of 816528 is 825618.

It is a junction number, because it is equal to n+sod(n) for n = 816495 and 816504.

It is not an unprimeable number, because it can be changed into a prime (816521) by changing a digit.

816528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8458 + ... + 8553.

2⁸¹⁶⁵²⁸ is an apocalyptic number.

It is an amenable number.

816528 is an abundant number, since it is smaller than the sum of its proper divisors (1292960).

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

816528 is a wasteful number, since it uses less digits than its factorization.

816528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17022 (or 17016 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 816528 is about 903.6193889022. The cubic root of 816528 is about 93.4667253650.

The spelling of 816528 in words is "eight hundred sixteen thousand, five hundred twenty-eight".