609320 has 16 divisors (see below), whose sum is σ = 1371060. Its totient is φ = 243712.

The previous prime is 609313. The next prime is 609337. The reversal of 609320 is 23906.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 568516 + 40804 = 754^2 + 202^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 609292 and 609301.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 7577 + ... + 7656.

2⁶⁰⁹³²⁰ is an apocalyptic number.

It is an amenable number.

609320 is an abundant number, since it is smaller than the sum of its proper divisors (761740).

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

609320 is a wasteful number, since it uses less digits than its factorization.

609320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244 (or 15240 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 609320 is about 780.5895208110. The cubic root of 609320 is about 84.7777353439. Note that the first 4 decimals are identical.

It can be divided in two parts, 609 and 320, that added together give a palindrome (929).

The spelling of 609320 in words is "six hundred nine thousand, three hundred twenty".