439351946 has 8 divisors (see below), whose sum is σ = 718939584. Its totient is φ = 199705420.

The previous prime is 439351909. The next prime is 439351967. The reversal of 439351946 is 649153934.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 439351897 and 439351906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9985250 + ... + 9985293.

It is an arithmetic number, because the mean of its divisors is an integer number (89867448).

Almost surely, 2^439351946 is an apocalyptic number.

439351946 is a deficient number, since it is larger than the sum of its proper divisors (279587638).

439351946 is a wasteful number, since it uses less digits than its factorization.

439351946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19970556.

The product of its digits is 349920, while the sum is 44.

The square root of 439351946 is about 20960.7238901714. The cubic root of 439351946 is about 760.2168967734.

The spelling of 439351946 in words is "four hundred thirty-nine million, three hundred fifty-one thousand, nine hundred forty-six".