655343328 has 48 divisors (see below), whose sum is σ = 1736380800. Its totient is φ = 216402816.

The previous prime is 655343321. The next prime is 655343333. The reversal of 655343328 is 823343556.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655343321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21628 + ... + 42171.

It is an arithmetic number, because the mean of its divisors is an integer number (36174600).

Almost surely, 2^655343328 is an apocalyptic number.

It is an amenable number.

655343328 is an abundant number, since it is smaller than the sum of its proper divisors (1081037472).

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

655343328 is a wasteful number, since it uses less digits than its factorization.

655343328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63919 (or 63911 counting only the distinct ones).

The product of its digits is 259200, while the sum is 39.

The square root of 655343328 is about 25599.6743729290. The cubic root of 655343328 is about 868.6062715626.

The spelling of 655343328 in words is "six hundred fifty-five million, three hundred forty-three thousand, three hundred twenty-eight".