439047 has 32 divisors (see below), whose sum is σ = 783360. Its totient is φ = 237600.

The previous prime is 439009. The next prime is 439063. The reversal of 439047 is 740934.

It is not a de Polignac number, because 439047 - 2⁶ = 438983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 439047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4297 + ... + 4397.

It is an arithmetic number, because the mean of its divisors is an integer number (24480).

2⁴³⁹⁰⁴⁷ is an apocalyptic number.

439047 is a deficient number, since it is larger than the sum of its proper divisors (344313).

439047 is a wasteful number, since it uses less digits than its factorization.

439047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 439047 is about 662.6062179002. The cubic root of 439047 is about 76.0040971937.

439047 divided by its sum of digits (27) gives a palindrome (16261).

The spelling of 439047 in words is "four hundred thirty-nine thousand, forty-seven".