805194 has 64 divisors (see below), whose sum is σ = 2042880. Its totient is φ = 233280.

The previous prime is 805187. The next prime is 805213. The reversal of 805194 is 491508.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21744 + ... + 21780.

It is an arithmetic number, because the mean of its divisors is an integer number (31920).

2⁸⁰⁵¹⁹⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 805194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021440).

805194 is an abundant number, since it is smaller than the sum of its proper divisors (1237686).

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

805194 is a wasteful number, since it uses less digits than its factorization.

805194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 805194 is about 897.3260277068. The cubic root of 805194 is about 93.0322468819.

It can be divided in two parts, 805 and 194, that added together give a palindrome (999).

The spelling of 805194 in words is "eight hundred five thousand, one hundred ninety-four".