608999 has 2 divisors, whose sum is σ = 609000. Its totient is φ = 608998.

The previous prime is 608989. The next prime is 609043. The reversal of 608999 is 999806.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 608999 - 2⁸ = 608743 is a prime.

It is a Chen prime.

608999 is a modest number, since divided by 999 gives 608 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304499 + 304500.

It is an arithmetic number, because the mean of its divisors is an integer number (304500).

2⁶⁰⁸⁹⁹⁹ is an apocalyptic number.

608999 is a deficient number, since it is larger than the sum of its proper divisors (1).

608999 is an equidigital number, since it uses as much as digits as its factorization.

608999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 608999 is about 780.3838798950. The cubic root of 608999 is about 84.7628452843.

The spelling of 608999 in words is "six hundred eight thousand, nine hundred ninety-nine".