998281103 has 4 divisors (see below), whose sum is σ = 1004051688. Its totient is φ = 992510520.

The previous prime is 998281091. The next prime is 998281117. The reversal of 998281103 is 301182899.

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

It is a cyclic number.

It is not a de Polignac number, because 998281103 - 2⁸ = 998280847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998281133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2885033 + ... + 2885378.

It is an arithmetic number, because the mean of its divisors is an integer number (251012922).

Almost surely, 2^998281103 is an apocalyptic number.

998281103 is a deficient number, since it is larger than the sum of its proper divisors (5770585).

998281103 is a wasteful number, since it uses less digits than its factorization.

998281103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770584.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 998281103 is about 31595.5867646100. The cubic root of 998281103 is about 999.4267057298.

The spelling of 998281103 in words is "nine hundred ninety-eight million, two hundred eighty-one thousand, one hundred three".