533646 has 24 divisors (see below), whose sum is σ = 1207440. Its totient is φ = 170016.

The previous prime is 533641. The next prime is 533671. The reversal of 533646 is 646335.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533641) 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 11 ways as a sum of consecutive naturals, for example, 231 + ... + 1058.

It is an arithmetic number, because the mean of its divisors is an integer number (50310).

2⁵³³⁶⁴⁶ is an apocalyptic number.

533646 is an abundant number, since it is smaller than the sum of its proper divisors (673794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

533646 is a wasteful number, since it uses less digits than its factorization.

533646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320 (or 1317 counting only the distinct ones).

The product of its digits is 6480, while the sum is 27.

The square root of 533646 is about 730.5107802079. The cubic root of 533646 is about 81.1118710270. Note that the first 3 decimals are identical.

The spelling of 533646 in words is "five hundred thirty-three thousand, six hundred forty-six".