439747934 has 8 divisors (see below), whose sum is σ = 669467208. Its totient is φ = 216592200.

The previous prime is 439747901. The next prime is 439747939.

It is a happy number.

439747934 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439747939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640717 + ... + 1640984.

It is an arithmetic number, because the mean of its divisors is an integer number (83683401).

Almost surely, 2^439747934 is an apocalyptic number.

439747934 is a deficient number, since it is larger than the sum of its proper divisors (229719274).

439747934 is a wasteful number, since it uses less digits than its factorization.

439747934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281770.

The product of its digits is 2286144, while the sum is 50.

The square root of 439747934 is about 20970.1677151138. The cubic root of 439747934 is about 760.4452227393.

The spelling of 439747934 in words is "four hundred thirty-nine million, seven hundred forty-seven thousand, nine hundred thirty-four".