998293 has 4 divisors (see below), whose sum is σ = 1030528. Its totient is φ = 966060.

The previous prime is 998287. The next prime is 998311. The reversal of 998293 is 392899.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 392899 = 13 ⋅30223.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998293 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998213) 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, 16071 + ... + 16132.

It is an arithmetic number, because the mean of its divisors is an integer number (257632).

2⁹⁹⁸²⁹³ is an apocalyptic number.

It is an amenable number.

998293 is a deficient number, since it is larger than the sum of its proper divisors (32235).

998293 is a wasteful number, since it uses less digits than its factorization.

998293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32234.

The product of its digits is 34992, while the sum is 40.

The square root of 998293 is about 999.1461354577. The cubic root of 998293 is about 99.9430675932.

The spelling of 998293 in words is "nine hundred ninety-eight thousand, two hundred ninety-three".