806940 has 36 divisors (see below), whose sum is σ = 2448264. Its totient is φ = 215136.

The previous prime is 806929. The next prime is 806941. The reversal of 806940 is 49608.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806941) by changing a digit.

806940 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2062 + ... + 2421.

2⁸⁰⁶⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

806940 is an abundant number, since it is smaller than the sum of its proper divisors (1641324).

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

806940 is a wasteful number, since it uses less digits than its factorization.

806940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498 (or 4493 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 806940 is about 898.2983914045. The cubic root of 806940 is about 93.0994427112.

The spelling of 806940 in words is "eight hundred six thousand, nine hundred forty".