509288 has 32 divisors (see below), whose sum is σ = 1058400. Its totient is φ = 228288.

The previous prime is 509287. The next prime is 509293. The reversal of 509288 is 882905.

It is not an unprimeable number, because it can be changed into a prime (509281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6095 + ... + 6177.

It is an arithmetic number, because the mean of its divisors is an integer number (33075).

2⁵⁰⁹²⁸⁸ 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 509288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529200).

509288 is an abundant number, since it is smaller than the sum of its proper divisors (549112).

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

509288 is a wasteful number, since it uses less digits than its factorization.

509288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 509288 is about 713.6441690366. The cubic root of 509288 is about 79.8584998690.

It can be divided in two parts, 509 and 288, that added together give a palindrome (797).

The spelling of 509288 in words is "five hundred nine thousand, two hundred eighty-eight".