894143 has 4 divisors (see below), whose sum is σ = 902928. Its totient is φ = 885360.

The previous prime is 894139. The next prime is 894151. The reversal of 894143 is 341498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341498 = 2 ⋅170749.

It is a cyclic number.

It is not a de Polignac number, because 894143 - 2² = 894139 is a prime.

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

It is a Duffinian number.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a 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 in 3 ways as a sum of consecutive naturals, for example, 4238 + ... + 4443.

It is an arithmetic number, because the mean of its divisors is an integer number (225732).

2⁸⁹⁴¹⁴³ is an apocalyptic number.

894143 is a deficient number, since it is larger than the sum of its proper divisors (8785).

894143 is a wasteful number, since it uses less digits than its factorization.

894143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8784.

The product of its digits is 3456, while the sum is 29.

The square root of 894143 is about 945.5913493682. The cubic root of 894143 is about 96.3390428031.

The spelling of 894143 in words is "eight hundred ninety-four thousand, one hundred forty-three".