655384576 has 112 divisors (see below), whose sum is σ = 1635678720. Its totient is φ = 255098880.

The previous prime is 655384511. The next prime is 655384579. The reversal of 655384576 is 675483556.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655384579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630265 + ... + 631303.

Almost surely, 2^655384576 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 655384576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817839360).

655384576 is an abundant number, since it is smaller than the sum of its proper divisors (980294144).

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

655384576 is a wasteful number, since it uses less digits than its factorization.

655384576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1059 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 49.

The square root of 655384576 is about 25600.4799955001. The cubic root of 655384576 is about 868.6244948451.

The spelling of 655384576 in words is "six hundred fifty-five million, three hundred eighty-four thousand, five hundred seventy-six".