8528420 has 12 divisors (see below), whose sum is σ = 17909724. Its totient is φ = 3411360.

The previous prime is 8528417. The next prime is 8528461. The reversal of 8528420 is 248258.

It can be written as a sum of positive squares in 2 ways, for example, as 1420864 + 7107556 = 1192^2 + 2666^2 .

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, 213191 + ... + 213230.

It is an arithmetic number, because the mean of its divisors is an integer number (1492477).

Almost surely, 2^8528420 is an apocalyptic number.

It is an amenable number.

8528420 is an abundant number, since it is smaller than the sum of its proper divisors (9381304).

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

8528420 is a wasteful number, since it uses less digits than its factorization.

8528420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426430 (or 426428 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 8528420 is about 2920.3458699271. The cubic root of 8528420 is about 204.3099542993.

The spelling of 8528420 in words is "eight million, five hundred twenty-eight thousand, four hundred twenty".