439007 has 2 divisors, whose sum is σ = 439008. Its totient is φ = 439006.

The previous prime is 438989. The next prime is 439009. The reversal of 439007 is 700934.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-439007 is a prime.

Together with 439009, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 439007.

It is not a weakly prime, because it can be changed into another prime (439009) by changing a digit.

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 as a sum of consecutive naturals, namely, 219503 + 219504.

It is an arithmetic number, because the mean of its divisors is an integer number (219504).

2⁴³⁹⁰⁰⁷ is an apocalyptic number.

439007 is a deficient number, since it is larger than the sum of its proper divisors (1).

439007 is an equidigital number, since it uses as much as digits as its factorization.

439007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 439007 is about 662.5760333728. The cubic root of 439007 is about 76.0017889699.

The spelling of 439007 in words is "four hundred thirty-nine thousand, seven".