898243 has 2 divisors, whose sum is σ = 898244. Its totient is φ = 898242.

The previous prime is 898241. The next prime is 898253. The reversal of 898243 is 342898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898243 - 2¹ = 898241 is a prime.

Together with 898241, it forms a pair of twin primes.

898243 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 898199 and 898208.

It is not a weakly prime, because it can be changed into another prime (898241) 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, 449121 + 449122.

It is an arithmetic number, because the mean of its divisors is an integer number (449122).

2⁸⁹⁸²⁴³ is an apocalyptic number.

898243 is a deficient number, since it is larger than the sum of its proper divisors (1).

898243 is an equidigital number, since it uses as much as digits as its factorization.

898243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 898243 is about 947.7568253513. The cubic root of 898243 is about 96.4860692035.

It can be divided in two parts, 8982 and 43, that added together give a square (9025 = 95²).

The spelling of 898243 in words is "eight hundred ninety-eight thousand, two hundred forty-three".