998444843 has 8 divisors (see below), whose sum is σ = 1093890096. Its totient is φ = 903779200.

The previous prime is 998444827. The next prime is 998444849. The reversal of 998444843 is 348444899.

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

It is a cyclic number.

It is not a de Polignac number, because 998444843 - 2⁴ = 998444827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998444849) 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, 192218 + ... + 197343.

It is an arithmetic number, because the mean of its divisors is an integer number (136736262).

Almost surely, 2^998444843 is an apocalyptic number.

998444843 is a deficient number, since it is larger than the sum of its proper divisors (95445253).

998444843 is a wasteful number, since it uses less digits than its factorization.

998444843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389805.

The product of its digits is 3981312, while the sum is 53.

The square root of 998444843 is about 31598.1778430339. The cubic root of 998444843 is about 999.4813453772.

The spelling of 998444843 in words is "nine hundred ninety-eight million, four hundred forty-four thousand, eight hundred forty-three".