855190 has 32 divisors (see below), whose sum is σ = 1854720. Its totient is φ = 277344.

The previous prime is 855187. The next prime is 855191. The reversal of 855190 is 91558.

It is a super-2 number, since 2×855190² = 1462699872200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (855191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1009 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2⁸⁵⁵¹⁹⁰ is an apocalyptic number.

855190 is an abundant number, since it is smaller than the sum of its proper divisors (999530).

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

855190 is a wasteful number, since it uses less digits than its factorization.

855190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 855190 is about 924.7648349716. The cubic root of 855190 is about 94.9192295929.

The spelling of 855190 in words is "eight hundred fifty-five thousand, one hundred ninety".