998084 has 6 divisors (see below), whose sum is σ = 1746654. Its totient is φ = 499040.

The previous prime is 998083. The next prime is 998111. The reversal of 998084 is 480899.

It can be written as a sum of positive squares in only one way, i.e., 861184 + 136900 = 928^2 + 370^2 .

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998084.

It is not an unprimeable number, because it can be changed into a prime (998083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124757 + ... + 124764.

It is an arithmetic number, because the mean of its divisors is an integer number (291109).

2⁹⁹⁸⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

998084 is a deficient number, since it is larger than the sum of its proper divisors (748570).

998084 is a wasteful number, since it uses less digits than its factorization.

998084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249525 (or 249523 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 998084 is about 999.0415406779. The cubic root of 998084 is about 99.9360925003.

The spelling of 998084 in words is "nine hundred ninety-eight thousand, eighty-four".