855197 has 12 divisors (see below), whose sum is σ = 1028736. Its totient is φ = 708120.

The previous prime is 855191. The next prime is 855199. The reversal of 855197 is 791558.

855197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 855197 - 2¹⁴ = 838813 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 1238 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (85728).

2⁸⁵⁵¹⁹⁷ is an apocalyptic number.

It is an amenable number.

855197 is a deficient number, since it is larger than the sum of its proper divisors (173539).

855197 is a wasteful number, since it uses less digits than its factorization.

855197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 601 counting only the distinct ones).

The product of its digits is 12600, while the sum is 35.

The square root of 855197 is about 924.7686197098. The cubic root of 855197 is about 94.9194885735.

The spelling of 855197 in words is "eight hundred fifty-five thousand, one hundred ninety-seven".