439140 has 48 divisors (see below), whose sum is σ = 1326528. Its totient is φ = 107904.

The previous prime is 439133. The next prime is 439141. The reversal of 439140 is 41934.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 439140.

It is not an unprimeable number, because it can be changed into a prime (439141) by changing a digit.

439140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499 + ... + 1061.

It is an arithmetic number, because the mean of its divisors is an integer number (27636).

2⁴³⁹¹⁴⁰ 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 439140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663264).

439140 is an abundant number, since it is smaller than the sum of its proper divisors (887388).

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

439140 is a wasteful number, since it uses less digits than its factorization.

439140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 439140 is about 662.6763916121. The cubic root of 439140 is about 76.0094632722.

The spelling of 439140 in words is "four hundred thirty-nine thousand, one hundred forty".