609288 has 32 divisors (see below), whose sum is σ = 1555200. Its totient is φ = 198848.

The previous prime is 609283. The next prime is 609289. The reversal of 609288 is 882906.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (609283) by changing a digit.

609288 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (48600).

2⁶⁰⁹²⁸⁸ 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 609288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777600).

609288 is an abundant number, since it is smaller than the sum of its proper divisors (945912).

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

609288 is a wasteful number, since it uses less digits than its factorization.

609288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 609288 is about 780.5690232132. The cubic root of 609288 is about 84.7762512113.

The spelling of 609288 in words is "six hundred nine thousand, two hundred eighty-eight".