8521832 has 32 divisors (see below), whose sum is σ = 17560800. Its totient is φ = 3844800.

The previous prime is 8521831. The next prime is 8521841. The reversal of 8521832 is 2381258.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8521795 and 8521804.

It is not an unprimeable number, because it can be changed into a prime (8521831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15482 + ... + 16022.

It is an arithmetic number, because the mean of its divisors is an integer number (548775).

Almost surely, 2^8521832 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 8521832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8780400).

8521832 is an abundant number, since it is smaller than the sum of its proper divisors (9038968).

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

8521832 is a wasteful number, since it uses less digits than its factorization.

8521832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737 (or 733 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 8521832 is about 2919.2177034267. The cubic root of 8521832 is about 204.2573325667.

The spelling of 8521832 in words is "eight million, five hundred twenty-one thousand, eight hundred thirty-two".