406006847 has 2 divisors, whose sum is σ = 406006848. Its totient is φ = 406006846.

The previous prime is 406006819. The next prime is 406006891. The reversal of 406006847 is 748600604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406006847 - 2¹⁰ = 406005823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406006147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203003423 + 203003424.

It is an arithmetic number, because the mean of its divisors is an integer number (203003424).

Almost surely, 2^406006847 is an apocalyptic number.

406006847 is a deficient number, since it is larger than the sum of its proper divisors (1).

406006847 is an equidigital number, since it uses as much as digits as its factorization.

406006847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 406006847 is about 20149.6115843457. The cubic root of 406006847 is about 740.4762256004.

The spelling of 406006847 in words is "four hundred six million, six thousand, eight hundred forty-seven".