8521332 has 24 divisors (see below), whose sum is σ = 20014176. Its totient is φ = 2821728.

The previous prime is 8521327. The next prime is 8521343. The reversal of 8521332 is 2331258.

It is a super-2 number, since 2×8521332² = 145226198108448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378 + ... + 4145.

It is an arithmetic number, because the mean of its divisors is an integer number (833924).

Almost surely, 2^8521332 is an apocalyptic number.

It is an amenable number.

8521332 is an abundant number, since it is smaller than the sum of its proper divisors (11492844).

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

8521332 is a wasteful number, since it uses less digits than its factorization.

8521332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687 (or 4685 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 8521332 is about 2919.1320627885. The cubic root of 8521332 is about 204.2533377033.

The spelling of 8521332 in words is "eight million, five hundred twenty-one thousand, three hundred thirty-two".