805940 has 24 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 316448.

The previous prime is 805933. The next prime is 805967. The reversal of 805940 is 49508.

It is a congruent number.

It is an unprimeable number.

805940 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2⁸⁰⁵⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

805940 is an abundant number, since it is smaller than the sum of its proper divisors (917740).

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

805940 is a wasteful number, since it uses less digits than its factorization.

805940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 805940 is about 897.7416109327. The cubic root of 805940 is about 93.0609690010.

The spelling of 805940 in words is "eight hundred five thousand, nine hundred forty".