648998352 has 160 divisors (see below), whose sum is σ = 2014851200. Its totient is φ = 199314432.

The previous prime is 648998297. The next prime is 648998369. The reversal of 648998352 is 253899846.

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

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 302628 + ... + 304764.

It is an arithmetic number, because the mean of its divisors is an integer number (12592820).

Almost surely, 2^648998352 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 648998352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1007425600).

648998352 is an abundant number, since it is smaller than the sum of its proper divisors (1365852848).

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

648998352 is a wasteful number, since it uses less digits than its factorization.

648998352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210 (or 2198 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 648998352 is about 25475.4460608642. The cubic root of 648998352 is about 865.7939193204.

The spelling of 648998352 in words is "six hundred forty-eight million, nine hundred ninety-eight thousand, three hundred fifty-two".