805190 has 16 divisors (see below), whose sum is σ = 1470528. Its totient is φ = 317376.

The previous prime is 805187. The next prime is 805213. The reversal of 805190 is 91508.

It is a super-2 number, since 2×805190² = 1296661872200, which contains 22 as substring.

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 805190.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179 + ... + 1281.

It is an arithmetic number, because the mean of its divisors is an integer number (91908).

2⁸⁰⁵¹⁹⁰ is an apocalyptic number.

805190 is a deficient number, since it is larger than the sum of its proper divisors (665338).

805190 is a wasteful number, since it uses less digits than its factorization.

805190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 805190 is about 897.3237988597. The cubic root of 805190 is about 93.0320928281.

Adding to 805190 its reverse (91508), we get a palindrome (896698).

The spelling of 805190 in words is "eight hundred five thousand, one hundred ninety".