406002067 has 2 divisors, whose sum is σ = 406002068. Its totient is φ = 406002066.

The previous prime is 406002061. The next prime is 406002119. The reversal of 406002067 is 760200604.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406002067 is a prime.

It is not a weakly prime, because it can be changed into another prime (406002061) 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, 203001033 + 203001034.

It is an arithmetic number, because the mean of its divisors is an integer number (203001034).

Almost surely, 2^406002067 is an apocalyptic number.

406002067 is a deficient number, since it is larger than the sum of its proper divisors (1).

406002067 is an equidigital number, since it uses as much as digits as its factorization.

406002067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 406002067 is about 20149.4929712884. The cubic root of 406002067 is about 740.4733196640.

The spelling of 406002067 in words is "four hundred six million, two thousand, sixty-seven".