806500 has 24 divisors (see below), whose sum is σ = 1762488. Its totient is φ = 322400.

The previous prime is 806483. The next prime is 806503. The reversal of 806500 is 5608.

It can be written as a sum of positive squares in 4 ways, for example, as 17956 + 788544 = 134^2 + 888^2 .

It is not an unprimeable number, because it can be changed into a prime (806503) 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, 307 + ... + 1306.

It is an arithmetic number, because the mean of its divisors is an integer number (73437).

2⁸⁰⁶⁵⁰⁰ is an apocalyptic number.

It is an amenable number.

806500 is an abundant number, since it is smaller than the sum of its proper divisors (955988).

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

806500 is a wasteful number, since it uses less digits than its factorization.

806500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 806500 is about 898.0534505251. The cubic root of 806500 is about 93.0825181970.

The spelling of 806500 in words is "eight hundred six thousand, five hundred".