648334700 has 90 divisors (see below), whose sum is σ = 1530836916. Its totient is φ = 238330560.

The previous prime is 648334697. The next prime is 648334723. The reversal of 648334700 is 7433846.

648334700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2855987 + ... + 2856213.

Almost surely, 2^648334700 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 648334700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (765418458).

648334700 is an abundant number, since it is smaller than the sum of its proper divisors (882502216).

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

648334700 is a wasteful number, since it uses less digits than its factorization.

648334700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 648334700 is about 25462.4174029097. The cubic root of 648334700 is about 865.4987044822.

The spelling of 648334700 in words is "six hundred forty-eight million, three hundred thirty-four thousand, seven hundred".