98998 has 4 divisors (see below), whose sum is σ = 148500. Its totient is φ = 49498.

The previous prime is 98993. The next prime is 98999. The reversal of 98998 is 89989.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24748 + ... + 24751.

It is an arithmetic number, because the mean of its divisors is an integer number (37125).

2⁹⁸⁹⁹⁸ is an apocalyptic number.

98998 is a deficient number, since it is larger than the sum of its proper divisors (49502).

98998 is a wasteful number, since it uses less digits than its factorization.

98998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49501.

The product of its digits is 46656, while the sum is 43.

The square root of 98998 is about 314.6394762264. The cubic root of 98998 is about 46.2603385702.

Subtracting from 98998 its reverse (89989), we obtain a palindrome (9009).

The spelling of 98998 in words is "ninety-eight thousand, nine hundred ninety-eight".