854189 has 4 divisors (see below), whose sum is σ = 976224. Its totient is φ = 732156.

The previous prime is 854171. The next prime is 854213. The reversal of 854189 is 981458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 854189 - 2⁸ = 853933 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

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 854189.

It is not an unprimeable number, because it can be changed into a prime (854129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61007 + ... + 61020.

It is an arithmetic number, because the mean of its divisors is an integer number (244056).

2⁸⁵⁴¹⁸⁹ is an apocalyptic number.

It is an amenable number.

854189 is a deficient number, since it is larger than the sum of its proper divisors (122035).

854189 is a wasteful number, since it uses less digits than its factorization.

854189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122034.

The product of its digits is 11520, while the sum is 35.

The square root of 854189 is about 924.2234578282. The cubic root of 854189 is about 94.8821808106.

The spelling of 854189 in words is "eight hundred fifty-four thousand, one hundred eighty-nine".