439898 has 16 divisors (see below), whose sum is σ = 703296. Its totient is φ = 205920.

The previous prime is 439891. The next prime is 439903. The reversal of 439898 is 898934.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (439891) 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 7 ways as a sum of consecutive naturals, for example, 3293 + ... + 3423.

It is an arithmetic number, because the mean of its divisors is an integer number (43956).

2⁴³⁹⁸⁹⁸ is an apocalyptic number.

439898 is a deficient number, since it is larger than the sum of its proper divisors (263398).

439898 is a wasteful number, since it uses less digits than its factorization.

439898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its digits is 62208, while the sum is 41.

The square root of 439898 is about 663.2480682218. The cubic root of 439898 is about 76.0531714708.

The spelling of 439898 in words is "four hundred thirty-nine thousand, eight hundred ninety-eight".