609394752 has 280 divisors, whose sum is σ = 1991563200. Its totient is φ = 183389184.

The previous prime is 609394739. The next prime is 609394757. The reversal of 609394752 is 257493906.

It is a happy number.

609394752 is a `hidden beast` number, since 609 + 39 + 4 + 7 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 609394698 and 609394707.

It is not an unprimeable number, because it can be changed into a prime (609394757) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2265274 + ... + 2265542.

Almost surely, 2^609394752 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 609394752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (995781600).

609394752 is an abundant number, since it is smaller than the sum of its proper divisors (1382168448).

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

609394752 is a wasteful number, since it uses less digits than its factorization.

609394752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 609394752 is about 24685.9221419821. The cubic root of 609394752 is about 847.8120207515.

The spelling of 609394752 in words is "six hundred nine million, three hundred ninety-four thousand, seven hundred fifty-two".