533985 has 16 divisors (see below), whose sum is σ = 865536. Its totient is φ = 281088.

The previous prime is 533971. The next prime is 533989. The reversal of 533985 is 589335.

It is not a de Polignac number, because 533985 - 2⁴ = 533969 is a prime.

It is a d-powerful number, because it can be written as 5² + 3⁵ + 9⁶ + 3⁷ + 8² + 5² .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 533985.

It is not an unprimeable number, because it can be changed into a prime (533989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272 + ... + 1638.

It is an arithmetic number, because the mean of its divisors is an integer number (54096).

2⁵³³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

533985 is a deficient number, since it is larger than the sum of its proper divisors (331551).

533985 is a wasteful number, since it uses less digits than its factorization.

533985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its digits is 16200, while the sum is 33.

The square root of 533985 is about 730.7427728004. The cubic root of 533985 is about 81.1290428999.

The spelling of 533985 in words is "five hundred thirty-three thousand, nine hundred eighty-five".