439914838 has 8 divisors (see below), whose sum is σ = 719860680. Its totient is φ = 199961280.

The previous prime is 439914803. The next prime is 439914841. The reversal of 439914838 is 838419934.

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 = 439914791 and 439914800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9998043 + ... + 9998086.

It is an arithmetic number, because the mean of its divisors is an integer number (89982585).

Almost surely, 2^439914838 is an apocalyptic number.

439914838 is a deficient number, since it is larger than the sum of its proper divisors (279945842).

439914838 is a wasteful number, since it uses less digits than its factorization.

439914838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996142.

The product of its digits is 746496, while the sum is 49.

The square root of 439914838 is about 20974.1468956427. The cubic root of 439914838 is about 760.5414182228.

The spelling of 439914838 in words is "four hundred thirty-nine million, nine hundred fourteen thousand, eight hundred thirty-eight".