8520828 has 24 divisors (see below), whose sum is σ = 19971840. Its totient is φ = 2827440.

The previous prime is 8520821. The next prime is 8520829. The reversal of 8520828 is 8280258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383 + ... + 4353.

It is an arithmetic number, because the mean of its divisors is an integer number (832160).

Almost surely, 2^8520828 is an apocalyptic number.

It is an amenable number.

8520828 is an abundant number, since it is smaller than the sum of its proper divisors (11451012).

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

8520828 is a wasteful number, since it uses less digits than its factorization.

8520828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217 (or 3215 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 8520828 is about 2919.0457344824. The cubic root of 8520828 is about 204.2493107229.

The spelling of 8520828 in words is "eight million, five hundred twenty thousand, eight hundred twenty-eight".