609316460 has 48 divisors (see below), whose sum is σ = 1363654656. Its totient is φ = 228161472.

The previous prime is 609316459. The next prime is 609316471. The reversal of 609316460 is 64613906.

It is a self number, because there is not a number n which added to its sum of digits gives 609316460.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7529 + ... + 35711.

It is an arithmetic number, because the mean of its divisors is an integer number (28409472).

Almost surely, 2^609316460 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 609316460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681827328).

609316460 is an abundant number, since it is smaller than the sum of its proper divisors (754338196).

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

609316460 is a wasteful number, since it uses less digits than its factorization.

609316460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28262 (or 28260 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 609316460 is about 24684.3363289354. The cubic root of 609316460 is about 847.7757116424.

The spelling of 609316460 in words is "six hundred nine million, three hundred sixteen thousand, four hundred sixty".