998313 has 8 divisors (see below), whose sum is σ = 1346400. Its totient is φ = 657888.

The previous prime is 998311. The next prime is 998329. The reversal of 998313 is 313899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 998313 - 2¹ = 998311 is a prime.

998313 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998313.

It is not an unprimeable number, because it can be changed into a prime (998311) 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 7 ways as a sum of consecutive naturals, for example, 1603 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (168300).

2⁹⁹⁸³¹³ is an apocalyptic number.

It is an amenable number.

998313 is a deficient number, since it is larger than the sum of its proper divisors (348087).

998313 is a wasteful number, since it uses less digits than its factorization.

998313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831.

The product of its digits is 5832, while the sum is 33.

The square root of 998313 is about 999.1561439535. The cubic root of 998313 is about 99.9437350151.

The spelling of 998313 in words is "nine hundred ninety-eight thousand, three hundred thirteen".