609560 has 48 divisors (see below), whose sum is σ = 1600560. Its totient is φ = 208320.

The previous prime is 609541. The next prime is 609571. The reversal of 609560 is 65906.

609560 is nontrivially palindromic in base 6.

It is a congruent number.

It is an unprimeable number.

609560 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 11 ways as a sum of consecutive naturals, for example, 1805 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (33345).

2⁶⁰⁹⁵⁶⁰ 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 609560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800280).

609560 is an abundant number, since it is smaller than the sum of its proper divisors (991000).

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

609560 is a wasteful number, since it uses less digits than its factorization.

609560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 609560 is about 780.7432356415. The cubic root of 609560 is about 84.7888646824.

The spelling of 609560 in words is "six hundred nine thousand, five hundred sixty".