998084183 has 4 divisors (see below), whose sum is σ = 1010718240. Its totient is φ = 985450128.

The previous prime is 998084173. The next prime is 998084189. The reversal of 998084183 is 381480899.

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 998084183 - 2¹⁶ = 998018647 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 (998084189) 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, 6316910 + ... + 6317067.

It is an arithmetic number, because the mean of its divisors is an integer number (252679560).

Almost surely, 2^998084183 is an apocalyptic number.

998084183 is a deficient number, since it is larger than the sum of its proper divisors (12634057).

998084183 is a wasteful number, since it uses less digits than its factorization.

998084183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12634056.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 998084183 is about 31592.4703529180. The cubic root of 998084183 is about 999.3609860815.

The spelling of 998084183 in words is "nine hundred ninety-eight million, eighty-four thousand, one hundred eighty-three".