439449842 has 16 divisors (see below), whose sum is σ = 712176192. Its totient is φ = 202167120.

The previous prime is 439449827. The next prime is 439449869. The reversal of 439449842 is 248944934.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19088 + ... + 35259.

It is an arithmetic number, because the mean of its divisors is an integer number (44511012).

Almost surely, 2^439449842 is an apocalyptic number.

439449842 is a deficient number, since it is larger than the sum of its proper divisors (272726350).

439449842 is a wasteful number, since it uses less digits than its factorization.

439449842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54673.

The product of its digits is 995328, while the sum is 47.

The square root of 439449842 is about 20963.0589847951. The cubic root of 439449842 is about 760.2733561921.

The spelling of 439449842 in words is "four hundred thirty-nine million, four hundred forty-nine thousand, eight hundred forty-two".