897229 has 2 divisors, whose sum is σ = 897230. Its totient is φ = 897228.

The previous prime is 897223. The next prime is 897241. The reversal of 897229 is 922798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 504100 + 393129 = 710^2 + 627^2 .

It is a cyclic number.

It is not a de Polignac number, because 897229 - 2⁷ = 897101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448614 + 448615.

It is an arithmetic number, because the mean of its divisors is an integer number (448615).

2⁸⁹⁷²²⁹ is an apocalyptic number.

It is an amenable number.

897229 is a deficient number, since it is larger than the sum of its proper divisors (1).

897229 is an equidigital number, since it uses as much as digits as its factorization.

897229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 37.

The square root of 897229 is about 947.2217269468. The cubic root of 897229 is about 96.4497487748.

The spelling of 897229 in words is "eight hundred ninety-seven thousand, two hundred twenty-nine".