8470439 has 2 divisors, whose sum is σ = 8470440. Its totient is φ = 8470438.

The previous prime is 8470433. The next prime is 8470487. The reversal of 8470439 is 9340748.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8470439 - 2²⁰ = 7421863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8470399 and 8470408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8470433) 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, 4235219 + 4235220.

It is an arithmetic number, because the mean of its divisors is an integer number (4235220).

Almost surely, 2^8470439 is an apocalyptic number.

8470439 is a deficient number, since it is larger than the sum of its proper divisors (1).

8470439 is an equidigital number, since it uses as much as digits as its factorization.

8470439 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 8470439 is about 2910.4018622864. The cubic root of 8470439 is about 203.8458963694.

The spelling of 8470439 in words is "eight million, four hundred seventy thousand, four hundred thirty-nine".