806670 has 24 divisors (see below), whose sum is σ = 2097576. Its totient is φ = 215088.

The previous prime is 806657. The next prime is 806671. The reversal of 806670 is 76608.

806670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4392 + ... + 4571.

It is an arithmetic number, because the mean of its divisors is an integer number (87399).

2⁸⁰⁶⁶⁷⁰ is an apocalyptic number.

806670 is an abundant number, since it is smaller than the sum of its proper divisors (1290906).

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

806670 is a wasteful number, since it uses less digits than its factorization.

806670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8976 (or 8973 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 806670 is about 898.1480946926. The cubic root of 806670 is about 93.0890579434.

The spelling of 806670 in words is "eight hundred six thousand, six hundred seventy".