999067 has 2 divisors, whose sum is σ = 999068. Its totient is φ = 999066.

The previous prime is 999049. The next prime is 999083. The reversal of 999067 is 760999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999067 - 2¹¹ = 997019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (999007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499533 + 499534.

It is an arithmetic number, because the mean of its divisors is an integer number (499534).

2⁹⁹⁹⁰⁶⁷ is an apocalyptic number.

999067 is a deficient number, since it is larger than the sum of its proper divisors (1).

999067 is an equidigital number, since it uses as much as digits as its factorization.

999067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 40.

The square root of 999067 is about 999.5333911381. The cubic root of 999067 is about 99.9688903229.

The spelling of 999067 in words is "nine hundred ninety-nine thousand, sixty-seven".