999007 has 2 divisors, whose sum is σ = 999008. Its totient is φ = 999006.

The previous prime is 998989. The next prime is 999023. The reversal of 999007 is 700999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499503 + 499504.

It is an arithmetic number, because the mean of its divisors is an integer number (499504).

2⁹⁹⁹⁰⁰⁷ is an apocalyptic number.

999007 is a deficient number, since it is larger than the sum of its proper divisors (1).

999007 is an equidigital number, since it uses as much as digits as its factorization.

999007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 34.

The square root of 999007 is about 999.5033766826. The cubic root of 999007 is about 99.9668890379.

The spelling of 999007 in words is "nine hundred ninety-nine thousand, seven".