894189 has 4 divisors (see below), whose sum is σ = 1192256. Its totient is φ = 596124.

The previous prime is 894181. The next prime is 894191. The reversal of 894189 is 981498.

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 not a de Polignac number, because 894189 - 2³ = 894181 is a prime.

It is a D-number.

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 894189.

It is not an unprimeable number, because it can be changed into a prime (894181) 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, 149029 + ... + 149034.

It is an arithmetic number, because the mean of its divisors is an integer number (298064).

2⁸⁹⁴¹⁸⁹ is an apocalyptic number.

It is an amenable number.

894189 is a deficient number, since it is larger than the sum of its proper divisors (298067).

894189 is a wasteful number, since it uses less digits than its factorization.

894189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298066.

The product of its digits is 20736, while the sum is 39.

The square root of 894189 is about 945.6156724590. The cubic root of 894189 is about 96.3406948580.

It can be divided in two parts, 89 and 4189, that added together give a triangular number (4278 = T₉₂).

The spelling of 894189 in words is "eight hundred ninety-four thousand, one hundred eighty-nine".