609356328 has 128 divisors (see below), whose sum is σ = 1790718720. Its totient is φ = 169205760.

The previous prime is 609356327. The next prime is 609356351. The reversal of 609356328 is 823653906.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 609356328.

It is not an unprimeable number, because it can be changed into a prime (609356327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 993750 + ... + 994362.

It is an arithmetic number, because the mean of its divisors is an integer number (13989990).

Almost surely, 2^609356328 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 609356328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895359360).

609356328 is an abundant number, since it is smaller than the sum of its proper divisors (1181362392).

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

609356328 is a wasteful number, since it uses less digits than its factorization.

609356328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The square root of 609356328 is about 24685.1438723780. The cubic root of 609356328 is about 847.7942014241.

The spelling of 609356328 in words is "six hundred nine million, three hundred fifty-six thousand, three hundred twenty-eight".