609340 has 12 divisors (see below), whose sum is σ = 1279656. Its totient is φ = 243728.

The previous prime is 609337. The next prime is 609359. The reversal of 609340 is 43906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15214 + ... + 15253.

It is an arithmetic number, because the mean of its divisors is an integer number (106638).

2⁶⁰⁹³⁴⁰ is an apocalyptic number.

It is an amenable number.

609340 is an abundant number, since it is smaller than the sum of its proper divisors (670316).

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

609340 is a wasteful number, since it uses less digits than its factorization.

609340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30476 (or 30474 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 609340 is about 780.6023315364. The cubic root of 609340 is about 84.7786629003.

It can be divided in two parts, 609 and 340, that added together give a palindrome (949).

The spelling of 609340 in words is "six hundred nine thousand, three hundred forty".