805854 has 24 divisors (see below), whose sum is σ = 1875528. Its totient is φ = 230160.

The previous prime is 805853. The next prime is 805859. The reversal of 805854 is 458508.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 805854.

It is not an unprimeable number, because it can be changed into a prime (805853) 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, 1077 + ... + 1664.

It is an arithmetic number, because the mean of its divisors is an integer number (78147).

2⁸⁰⁵⁸⁵⁴ is an apocalyptic number.

805854 is an abundant number, since it is smaller than the sum of its proper divisors (1069674).

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

805854 is a wasteful number, since it uses less digits than its factorization.

805854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2753 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 805854 is about 897.6937116857. The cubic root of 805854 is about 93.0576587761.

The spelling of 805854 in words is "eight hundred five thousand, eight hundred fifty-four".