609579648 has 64 divisors (see below), whose sum is σ = 1799116800. Its totient is φ = 203192064.

The previous prime is 609579637. The next prime is 609579673. The reversal of 609579648 is 846975906.

609579648 is a `hidden beast` number, since 6 + 0 + 9 + 579 + 64 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 609579594 and 609579603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84736 + ... + 91647.

It is an arithmetic number, because the mean of its divisors is an integer number (28111200).

Almost surely, 2^609579648 is an apocalyptic number.

It is an amenable number.

609579648 is an abundant number, since it is smaller than the sum of its proper divisors (1189537152).

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

609579648 is a wasteful number, since it uses less digits than its factorization.

609579648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176406 (or 176388 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 609579648 is about 24689.6668264276. Note that the first 3 decimals coincide. The cubic root of 609579648 is about 847.8977567486.

The spelling of 609579648 in words is "six hundred nine million, five hundred seventy-nine thousand, six hundred forty-eight".