648296 has 32 divisors (see below), whose sum is σ = 1360800. Its totient is φ = 287040.

The previous prime is 648293. The next prime is 648317. The reversal of 648296 is 692846.

It is not an unprimeable number, because it can be changed into a prime (648293) 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, 4595 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (42525).

2⁶⁴⁸²⁹⁶ 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 648296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680400).

648296 is an abundant number, since it is smaller than the sum of its proper divisors (712504).

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

648296 is a wasteful number, since it uses less digits than its factorization.

648296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 205 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 648296 is about 805.1683053871. The cubic root of 648296 is about 86.5481483199.

The spelling of 648296 in words is "six hundred forty-eight thousand, two hundred ninety-six".