439698 has 48 divisors (see below), whose sum is σ = 1097280. Its totient is φ = 114912.

The previous prime is 439697. The next prime is 439709. The reversal of 439698 is 896934.

It is not an unprimeable number, because it can be changed into a prime (439693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15148 + ... + 15176.

It is an arithmetic number, because the mean of its divisors is an integer number (22860).

2⁴³⁹⁶⁹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548640).

439698 is an abundant number, since it is smaller than the sum of its proper divisors (657582).

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

439698 is a wasteful number, since it uses less digits than its factorization.

439698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 60 counting only the distinct ones).

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

The square root of 439698 is about 663.0972779314. The cubic root of 439698 is about 76.0416438439.

The spelling of 439698 in words is "four hundred thirty-nine thousand, six hundred ninety-eight".