531336 has 48 divisors (see below), whose sum is σ = 1449360. Its totient is φ = 162240.

The previous prime is 531331. The next prime is 531337. The reversal of 531336 is 633135.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (531331) by changing a digit.

531336 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 3991 + ... + 4121.

It is an arithmetic number, because the mean of its divisors is an integer number (30195).

2⁵³¹³³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724680).

531336 is an abundant number, since it is smaller than the sum of its proper divisors (918024).

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

531336 is a wasteful number, since it uses less digits than its factorization.

531336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its digits is 810, while the sum is 21.

The square root of 531336 is about 728.9279799816. The cubic root of 531336 is about 80.9946650960.

The spelling of 531336 in words is "five hundred thirty-one thousand, three hundred thirty-six".