998100447 has 16 divisors (see below), whose sum is σ = 1410785280. Its totient is φ = 625502592.

The previous prime is 998100437. The next prime is 998100449. The reversal of 998100447 is 744001899.

It is not a de Polignac number, because 998100447 - 2¹¹ = 998098399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 998100399 and 998100408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998100449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32418 + ... + 55200.

It is an arithmetic number, because the mean of its divisors is an integer number (88174080).

Almost surely, 2^998100447 is an apocalyptic number.

998100447 is a deficient number, since it is larger than the sum of its proper divisors (412684833).

998100447 is a wasteful number, since it uses less digits than its factorization.

998100447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23662.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 998100447 is about 31592.7277549755. The cubic root of 998100447 is about 999.3664143206.

The spelling of 998100447 in words is "nine hundred ninety-eight million, one hundred thousand, four hundred forty-seven".