897829 has 2 divisors, whose sum is σ = 897830. Its totient is φ = 897828.

The previous prime is 897817. The next prime is 897847. The reversal of 897829 is 928798.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 357604 = 735^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 897829 - 2⁹ = 897317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (897899) 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, 448914 + 448915.

It is an arithmetic number, because the mean of its divisors is an integer number (448915).

2⁸⁹⁷⁸²⁹ is an apocalyptic number.

It is an amenable number.

897829 is a deficient number, since it is larger than the sum of its proper divisors (1).

897829 is an equidigital number, since it uses as much as digits as its factorization.

897829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 43.

The square root of 897829 is about 947.5383897236. The cubic root of 897829 is about 96.4712434562.

The spelling of 897829 in words is "eight hundred ninety-seven thousand, eight hundred twenty-nine".