650608 has 40 divisors (see below), whose sum is σ = 1488992. Its totient is φ = 269568.

The previous prime is 650599. The next prime is 650609. The reversal of 650608 is 806056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4066 + ... + 4222.

2⁶⁵⁰⁶⁰⁸ 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 650608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744496).

650608 is an abundant number, since it is smaller than the sum of its proper divisors (838384).

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

650608 is a wasteful number, since it uses less digits than its factorization.

650608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 650608 is about 806.6027522889. The cubic root of 650608 is about 86.6509110083.

The spelling of 650608 in words is "six hundred fifty thousand, six hundred eight".