8428524 has 48 divisors (see below), whose sum is σ = 21436128. Its totient is φ = 2562048.

The previous prime is 8428517. The next prime is 8428547. The reversal of 8428524 is 4258248.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14854 + ... + 15410.

It is an arithmetic number, because the mean of its divisors is an integer number (446586).

Almost surely, 2^8428524 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 8428524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10718064).

8428524 is an abundant number, since it is smaller than the sum of its proper divisors (13007604).

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

8428524 is a wasteful number, since it uses less digits than its factorization.

8428524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 8428524 is about 2903.1920363627. The cubic root of 8428524 is about 203.5091041853.

The spelling of 8428524 in words is "eight million, four hundred twenty-eight thousand, five hundred twenty-four".