439734242 has 8 divisors (see below), whose sum is σ = 660042432. Its totient is φ = 219720100.

The previous prime is 439734241. The next prime is 439734247. The reversal of 439734242 is 242437934.

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 = 439734196 and 439734205.

It is not an unprimeable number, because it can be changed into a prime (439734241) by changing a digit.

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, 69734 + ... + 75777.

It is an arithmetic number, because the mean of its divisors is an integer number (82505304).

Almost surely, 2^439734242 is an apocalyptic number.

439734242 is a deficient number, since it is larger than the sum of its proper divisors (220308190).

439734242 is a wasteful number, since it uses less digits than its factorization.

439734242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147024.

The product of its digits is 145152, while the sum is 38.

The square root of 439734242 is about 20969.8412488030. The cubic root of 439734242 is about 760.4373302451.

The spelling of 439734242 in words is "four hundred thirty-nine million, seven hundred thirty-four thousand, two hundred forty-two".