650106 has 20 divisors (see below), whose sum is σ = 1457082. Its totient is φ = 216648.

The previous prime is 650099. The next prime is 650107. The reversal of 650106 is 601056.

650106 is a `hidden beast` number, since 650 + 10 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 455625 + 194481 = 675^2 + 441^2 .

It is a super-2 number, since 2×650106² = 845275622472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 650106.

It is not an unprimeable number, because it can be changed into a prime (650107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1845 + ... + 2168.

2⁶⁵⁰¹⁰⁶ is an apocalyptic number.

650106 is an abundant number, since it is smaller than the sum of its proper divisors (806976).

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

650106 is a wasteful number, since it uses less digits than its factorization.

650106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4027 (or 4018 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 650106 is about 806.2915105593. The cubic root of 650106 is about 86.6286190651.

The spelling of 650106 in words is "six hundred fifty thousand, one hundred six".