8439960 has 64 divisors (see below), whose sum is σ = 25757280. Its totient is φ = 2211840.

The previous prime is 8439953. The next prime is 8439961. The reversal of 8439960 is 699348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8439961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6744 + ... + 7896.

Almost surely, 2^8439960 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 8439960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12878640).

8439960 is an abundant number, since it is smaller than the sum of its proper divisors (17317320).

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

8439960 is a wasteful number, since it uses less digits than its factorization.

8439960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 8439960 is about 2905.1609249747. The cubic root of 8439960 is about 203.6011044105.

The spelling of 8439960 in words is "eight million, four hundred thirty-nine thousand, nine hundred sixty".