599939 has 2 divisors, whose sum is σ = 599940. Its totient is φ = 599938.

The previous prime is 599933. The next prime is 599941. The reversal of 599939 is 939995.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 599939 - 2¹² = 595843 is a prime.

It is a Sophie Germain prime.

Together with 599941, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 599939.

It is not a weakly prime, because it can be changed into another prime (599933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299969 + 299970.

It is an arithmetic number, because the mean of its divisors is an integer number (299970).

2⁵⁹⁹⁹³⁹ is an apocalyptic number.

599939 is a deficient number, since it is larger than the sum of its proper divisors (1).

599939 is an equidigital number, since it uses as much as digits as its factorization.

599939 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 599939 is about 774.5572929100. The cubic root of 599939 is about 84.3404081337.

The spelling of 599939 in words is "five hundred ninety-nine thousand, nine hundred thirty-nine".