650028 has 24 divisors (see below), whose sum is σ = 1597120. Its totient is φ = 205200.

The previous prime is 650017. The next prime is 650059. The reversal of 650028 is 820056.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 649986 and 650013.

It is an unprimeable number.

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, 1198 + ... + 1653.

2⁶⁵⁰⁰²⁸ is an apocalyptic number.

It is an amenable number.

650028 is an abundant number, since it is smaller than the sum of its proper divisors (947092).

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

650028 is a wasteful number, since it uses less digits than its factorization.

650028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2875 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 650028 is about 806.2431395057. The cubic root of 650028 is about 86.6251543467.

The spelling of 650028 in words is "six hundred fifty thousand, twenty-eight".