8528447 has 4 divisors (see below), whose sum is σ = 8537880. Its totient is φ = 8519016.

The previous prime is 8528417. The next prime is 8528461. The reversal of 8528447 is 7448258.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7448258 = 2 ⋅3724129.

It is a cyclic number.

It is not a de Polignac number, because 8528447 - 2⁶ = 8528383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8528447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8528417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3197 + ... + 5222.

It is an arithmetic number, because the mean of its divisors is an integer number (2134470).

Almost surely, 2^8528447 is an apocalyptic number.

8528447 is a deficient number, since it is larger than the sum of its proper divisors (9433).

8528447 is a wasteful number, since it uses less digits than its factorization.

8528447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9432.

The product of its digits is 71680, while the sum is 38.

The square root of 8528447 is about 2920.3504926635. The cubic root of 8528447 is about 204.3101699064.

The spelling of 8528447 in words is "eight million, five hundred twenty-eight thousand, four hundred forty-seven".