894209 has 2 divisors, whose sum is σ = 894210. Its totient is φ = 894208.

The previous prime is 894203. The next prime is 894211. The reversal of 894209 is 902498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 883600 + 10609 = 940^2 + 103^2 .

It is a cyclic number.

It is not a de Polignac number, because 894209 - 2⁴ = 894193 is a prime.

Together with 894211, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (894203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447104 + 447105.

It is an arithmetic number, because the mean of its divisors is an integer number (447105).

2⁸⁹⁴²⁰⁹ is an apocalyptic number.

It is an amenable number.

894209 is a deficient number, since it is larger than the sum of its proper divisors (1).

894209 is an equidigital number, since it uses as much as digits as its factorization.

894209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 894209 is about 945.6262475207. The cubic root of 894209 is about 96.3414131251.

The spelling of 894209 in words is "eight hundred ninety-four thousand, two hundred nine".