439347 has 4 divisors (see below), whose sum is σ = 585800. Its totient is φ = 292896.

The previous prime is 439339. The next prime is 439349. The reversal of 439347 is 743934.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 439347 - 2³ = 439339 is a prime.

It is a D-number.

It is a Duffinian number.

439347 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (439349) 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, 73222 + ... + 73227.

It is an arithmetic number, because the mean of its divisors is an integer number (146450).

2⁴³⁹³⁴⁷ is an apocalyptic number.

439347 is a deficient number, since it is larger than the sum of its proper divisors (146453).

439347 is a wasteful number, since it uses less digits than its factorization.

439347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146452.

The product of its digits is 9072, while the sum is 30.

The square root of 439347 is about 662.8325580416. The cubic root of 439347 is about 76.0214044051.

The spelling of 439347 in words is "four hundred thirty-nine thousand, three hundred forty-seven".