894191 has 2 divisors, whose sum is σ = 894192. Its totient is φ = 894190.

The previous prime is 894181. The next prime is 894193. The reversal of 894191 is 191498.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-894191 is a prime.

Together with 894193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447095 + 447096.

It is an arithmetic number, because the mean of its divisors is an integer number (447096).

2⁸⁹⁴¹⁹¹ is an apocalyptic number.

894191 is a deficient number, since it is larger than the sum of its proper divisors (1).

894191 is an equidigital number, since it uses as much as digits as its factorization.

894191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 32.

The square root of 894191 is about 945.6167299704. The cubic root of 894191 is about 96.3407666852.

The spelling of 894191 in words is "eight hundred ninety-four thousand, one hundred ninety-one".