439008047 has 2 divisors, whose sum is σ = 439008048. Its totient is φ = 439008046.

The previous prime is 439008043. The next prime is 439008049. The reversal of 439008047 is 740800934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 439008047 - 2² = 439008043 is a prime.

Together with 439008049, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 439007998 and 439008016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (439008043) 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 as a sum of consecutive naturals, namely, 219504023 + 219504024.

It is an arithmetic number, because the mean of its divisors is an integer number (219504024).

Almost surely, 2^439008047 is an apocalyptic number.

439008047 is a deficient number, since it is larger than the sum of its proper divisors (1).

439008047 is an equidigital number, since it uses as much as digits as its factorization.

439008047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 439008047 is about 20952.5188700547. The cubic root of 439008047 is about 760.0184938944.

The spelling of 439008047 in words is "four hundred thirty-nine million, eight thousand, forty-seven".