8520448 has 36 divisors (see below), whose sum is σ = 17255448. Its totient is φ = 4198400.

The previous prime is 8520437. The next prime is 8520481. The reversal of 8520448 is 8440258.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21048 + ... + 21448.

It is an arithmetic number, because the mean of its divisors is an integer number (479318).

Almost surely, 2^8520448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8520448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8627724).

8520448 is an abundant number, since it is smaller than the sum of its proper divisors (8735000).

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

8520448 is an equidigital number, since it uses as much as digits as its factorization.

8520448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 8520448 is about 2918.9806439920. The cubic root of 8520448 is about 204.2462744025.

The spelling of 8520448 in words is "eight million, five hundred twenty thousand, four hundred forty-eight".