998193 has 8 divisors (see below), whose sum is σ = 1521088. Its totient is φ = 570384.

The previous prime is 998167. The next prime is 998197. The reversal of 998193 is 391899.

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

It is not a de Polignac number, because 998193 - 2⁵ = 998161 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (998197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23746 + ... + 23787.

It is an arithmetic number, because the mean of its divisors is an integer number (190136).

2⁹⁹⁸¹⁹³ is an apocalyptic number.

It is an amenable number.

998193 is a deficient number, since it is larger than the sum of its proper divisors (522895).

998193 is a wasteful number, since it uses less digits than its factorization.

998193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47543.

The product of its digits is 17496, while the sum is 39.

The square root of 998193 is about 999.0960914747. The cubic root of 998193 is about 99.9397303497.

The spelling of 998193 in words is "nine hundred ninety-eight thousand, one hundred ninety-three".