609434560 has 84 divisors (see below), whose sum is σ = 1688192712. Its totient is φ = 208943616.

The previous prime is 609434543. The next prime is 609434563. The reversal of 609434560 is 65434906.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609434563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3754 + ... + 35113.

Almost surely, 2^609434560 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 609434560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844096356).

609434560 is an abundant number, since it is smaller than the sum of its proper divisors (1078758152).

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

609434560 is a wasteful number, since it uses less digits than its factorization.

609434560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38898 (or 38881 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 609434560 is about 24686.7284183223. The cubic root of 609434560 is about 847.8304811260.

The spelling of 609434560 in words is "six hundred nine million, four hundred thirty-four thousand, five hundred sixty".