648035328 has 88 divisors (see below), whose sum is σ = 1737788368. Its totient is φ = 214695936.

The previous prime is 648035321. The next prime is 648035329. The reversal of 648035328 is 823530846.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648035321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592350 + ... + 593442.

Almost surely, 2^648035328 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 648035328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (868894184).

648035328 is an abundant number, since it is smaller than the sum of its proper divisors (1089753040).

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

648035328 is a wasteful number, since it uses less digits than its factorization.

648035328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309 (or 1291 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 648035328 is about 25456.5380207129. The cubic root of 648035328 is about 865.3654677607.

The spelling of 648035328 in words is "six hundred forty-eight million, thirty-five thousand, three hundred twenty-eight".