999359 has 2 divisors, whose sum is σ = 999360. Its totient is φ = 999358.

The previous prime is 999331. The next prime is 999371. The reversal of 999359 is 953999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999359 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 999359.

It is not a weakly prime, because it can be changed into another prime (999329) 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, 499679 + 499680.

It is an arithmetic number, because the mean of its divisors is an integer number (499680).

2⁹⁹⁹³⁵⁹ is an apocalyptic number.

999359 is a deficient number, since it is larger than the sum of its proper divisors (1).

999359 is an equidigital number, since it uses as much as digits as its factorization.

999359 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98415, while the sum is 44.

The square root of 999359 is about 999.6794486234. The cubic root of 999359 is about 99.9786287664.

The spelling of 999359 in words is "nine hundred ninety-nine thousand, three hundred fifty-nine".