609744 has 20 divisors (see below), whose sum is σ = 1575296. Its totient is φ = 203232.

The previous prime is 609743. The next prime is 609751. The reversal of 609744 is 447906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6304 + ... + 6399.

2⁶⁰⁹⁷⁴⁴ is an apocalyptic number.

It is an amenable number.

609744 is an abundant number, since it is smaller than the sum of its proper divisors (965552).

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

609744 is a wasteful number, since it uses less digits than its factorization.

609744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12714 (or 12708 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 609744 is about 780.8610631860. The cubic root of 609744 is about 84.7973951971.

The spelling of 609744 in words is "six hundred nine thousand, seven hundred forty-four".