998273 has 2 divisors, whose sum is σ = 998274. Its totient is φ = 998272.

The previous prime is 998243. The next prime is 998281. The reversal of 998273 is 372899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 552049 + 446224 = 743^2 + 668^2 .

It is a cyclic number.

It is not a de Polignac number, because 998273 - 2⁸ = 998017 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998273.

It is not a weakly prime, because it can be changed into another prime (998213) 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, 499136 + 499137.

It is an arithmetic number, because the mean of its divisors is an integer number (499137).

2⁹⁹⁸²⁷³ is an apocalyptic number.

It is an amenable number.

998273 is a deficient number, since it is larger than the sum of its proper divisors (1).

998273 is an equidigital number, since it uses as much as digits as its factorization.

998273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 998273 is about 999.1361268616. The cubic root of 998273 is about 99.9424001623.

The spelling of 998273 in words is "nine hundred ninety-eight thousand, two hundred seventy-three".