333985 has 4 divisors (see below), whose sum is σ = 400788. Its totient is φ = 267184.

The previous prime is 333973. The next prime is 333989. The reversal of 333985 is 589333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589333 = 47 ⋅12539.

It can be written as a sum of positive squares in 2 ways, for example, as 94864 + 239121 = 308^2 + 489^2 .

It is a cyclic number.

It is not a de Polignac number, because 333985 - 2⁷ = 333857 is a prime.

It is a super-2 number, since 2×333985² = 223091960450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (333989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33394 + ... + 33403.

It is an arithmetic number, because the mean of its divisors is an integer number (100197).

2³³³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

333985 is a deficient number, since it is larger than the sum of its proper divisors (66803).

333985 is an equidigital number, since it uses as much as digits as its factorization.

333985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66802.

The product of its digits is 9720, while the sum is 31.

The square root of 333985 is about 577.9143535162. The cubic root of 333985 is about 69.3812820651.

The spelling of 333985 in words is "three hundred thirty-three thousand, nine hundred eighty-five".