998339 has 4 divisors (see below), whose sum is σ = 1015320. Its totient is φ = 981360.

The previous prime is 998329. The next prime is 998353. The reversal of 998339 is 933899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933899 = 131 ⋅7129.

It is a cyclic number.

It is not a de Polignac number, because 998339 - 2⁸ = 998083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 998296 and 998305.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998339.

It is not an unprimeable number, because it can be changed into a prime (998329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8402 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (253830).

2⁹⁹⁸³³⁹ is an apocalyptic number.

998339 is a deficient number, since it is larger than the sum of its proper divisors (16981).

998339 is a wasteful number, since it uses less digits than its factorization.

998339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16980.

The product of its digits is 52488, while the sum is 41.

The square root of 998339 is about 999.1691548482. The cubic root of 998339 is about 99.9446026503.

The spelling of 998339 in words is "nine hundred ninety-eight thousand, three hundred thirty-nine".