406716047 has 2 divisors, whose sum is σ = 406716048. Its totient is φ = 406716046.

The previous prime is 406716031. The next prime is 406716049. The reversal of 406716047 is 740617604.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406716047 - 2⁴ = 406716031 is a prime.

Together with 406716049, 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 = 406715998 and 406716016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406716049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203358023 + 203358024.

It is an arithmetic number, because the mean of its divisors is an integer number (203358024).

Almost surely, 2^406716047 is an apocalyptic number.

406716047 is a deficient number, since it is larger than the sum of its proper divisors (1).

406716047 is an equidigital number, since it uses as much as digits as its factorization.

406716047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 406716047 is about 20167.2022601054. The cubic root of 406716047 is about 740.9071216720.

The spelling of 406716047 in words is "four hundred six million, seven hundred sixteen thousand, forty-seven".