999986059 has 2 divisors, whose sum is σ = 999986060. Its totient is φ = 999986058.

The previous prime is 999986051. The next prime is 999986069. The reversal of 999986059 is 950689999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999986059 - 2³ = 999986051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (999986051) 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, 499993029 + 499993030.

It is an arithmetic number, because the mean of its divisors is an integer number (499993030).

Almost surely, 2^999986059 is an apocalyptic number.

999986059 is a deficient number, since it is larger than the sum of its proper divisors (1).

999986059 is an equidigital number, since it uses as much as digits as its factorization.

999986059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14171760, while the sum is 64.

The square root of 999986059 is about 31622.5561743512. The cubic root of 999986059 is about 999.9953529784.

The spelling of 999986059 in words is "nine hundred ninety-nine million, nine hundred eighty-six thousand, fifty-nine".