609318 has 12 divisors (see below), whose sum is σ = 1320228. Its totient is φ = 203100.

The previous prime is 609313. The next prime is 609337. The reversal of 609318 is 813906.

It is a junction number, because it is equal to n+sod(n) for n = 609291 and 609300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609313) by changing a digit.

609318 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 5 ways as a sum of consecutive naturals, for example, 16908 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (110019).

2⁶⁰⁹³¹⁸ is an apocalyptic number.

609318 is an abundant number, since it is smaller than the sum of its proper divisors (710910).

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

609318 is a wasteful number, since it uses less digits than its factorization.

609318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33859 (or 33856 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 609318 is about 780.5882397269. The cubic root of 609318 is about 84.7776425871. Note that the first 3 decimals are identical.

The spelling of 609318 in words is "six hundred nine thousand, three hundred eighteen".