439660 has 48 divisors (see below), whose sum is σ = 1058400. Its totient is φ = 152064.

The previous prime is 439639. The next prime is 439661. The reversal of 439660 is 66934.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (439661) by changing a digit.

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, 4896 + ... + 4984.

It is an arithmetic number, because the mean of its divisors is an integer number (22050).

2⁴³⁹⁶⁶⁰ 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 439660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529200).

439660 is an abundant number, since it is smaller than the sum of its proper divisors (618740).

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

439660 is a wasteful number, since it uses less digits than its factorization.

439660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 439660 is about 663.0686238995. The cubic root of 439660 is about 76.0394531997.

The spelling of 439660 in words is "four hundred thirty-nine thousand, six hundred sixty".