8530428 has 24 divisors (see below), whose sum is σ = 19953360. Its totient is φ = 2836480.

The previous prime is 8530427. The next prime is 8530441. The reversal of 8530428 is 8240358.

It is a junction number, because it is equal to n+sod(n) for n = 8530395 and 8530404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8530427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7138 + ... + 8246.

It is an arithmetic number, because the mean of its divisors is an integer number (831390).

Almost surely, 2^8530428 is an apocalyptic number.

It is an amenable number.

8530428 is an abundant number, since it is smaller than the sum of its proper divisors (11422932).

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

8530428 is a wasteful number, since it uses less digits than its factorization.

8530428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1757 (or 1755 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 8530428 is about 2920.6896445874. The cubic root of 8530428 is about 204.3259878356.

It can be divided in two parts, 8 and 530428, that multiplied together give a palindrome (4243424).

The spelling of 8530428 in words is "eight million, five hundred thirty thousand, four hundred twenty-eight".