898897 has 2 divisors, whose sum is σ = 898898. Its totient is φ = 898896.

The previous prime is 898889. The next prime is 898921. The reversal of 898897 is 798898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 876096 + 22801 = 936^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 898897 - 2³ = 898889 is a prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 898897.

It is not a weakly prime, because it can be changed into another prime (898867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449448 + 449449.

It is an arithmetic number, because the mean of its divisors is an integer number (449449).

2⁸⁹⁸⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

898897 is a deficient number, since it is larger than the sum of its proper divisors (1).

898897 is an equidigital number, since it uses as much as digits as its factorization.

898897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 49.

The square root of 898897 is about 948.1017877844. The cubic root of 898897 is about 96.5094803075.

Subtracting from 898897 its reverse (798898), we obtain a palindrome (99999).

The spelling of 898897 in words is "eight hundred ninety-eight thousand, eight hundred ninety-seven".