8439132 has 48 divisors (see below), whose sum is σ = 21676032. Its totient is φ = 2539200.

The previous prime is 8439103. The next prime is 8439133. The reversal of 8439132 is 2319348.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8439132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8439133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6757 + ... + 7907.

It is an arithmetic number, because the mean of its divisors is an integer number (451584).

Almost surely, 2^8439132 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 8439132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10838016).

8439132 is an abundant number, since it is smaller than the sum of its proper divisors (13236900).

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

8439132 is a wasteful number, since it uses less digits than its factorization.

8439132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 1216 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 8439132 is about 2905.0184164649. The cubic root of 8439132 is about 203.5944461156.

The spelling of 8439132 in words is "eight million, four hundred thirty-nine thousand, one hundred thirty-two".