835993 has 2 divisors, whose sum is σ = 835994. Its totient is φ = 835992.

The previous prime is 835987. The next prime is 835997. The reversal of 835993 is 399538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 700569 + 135424 = 837^2 + 368^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-835993 is a prime.

835993 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (835997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417996 + 417997.

It is an arithmetic number, because the mean of its divisors is an integer number (417997).

2⁸³⁵⁹⁹³ is an apocalyptic number.

It is an amenable number.

835993 is a deficient number, since it is larger than the sum of its proper divisors (1).

835993 is an equidigital number, since it uses as much as digits as its factorization.

835993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 37.

The square root of 835993 is about 914.3265281069. The cubic root of 835993 is about 94.2036102553.

The spelling of 835993 in words is "eight hundred thirty-five thousand, nine hundred ninety-three".