8528140 has 12 divisors (see below), whose sum is σ = 17909136. Its totient is φ = 3411248.

The previous prime is 8528111. The next prime is 8528141. The reversal of 8528140 is 418258.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8528099 and 8528108.

It is not an unprimeable number, because it can be changed into a prime (8528141) 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, 213184 + ... + 213223.

It is an arithmetic number, because the mean of its divisors is an integer number (1492428).

Almost surely, 2^8528140 is an apocalyptic number.

It is an amenable number.

8528140 is an abundant number, since it is smaller than the sum of its proper divisors (9380996).

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

8528140 is a wasteful number, since it uses less digits than its factorization.

8528140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426416 (or 426414 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 8528140 is about 2920.2979300065. The cubic root of 8528140 is about 204.3077183473.

It can be divided in two parts, 8528 and 140, that added together give a palindrome (8668).

The spelling of 8528140 in words is "eight million, five hundred twenty-eight thousand, one hundred forty".