998082 has 40 divisors (see below), whose sum is σ = 2295612. Its totient is φ = 324000.

The previous prime is 998077. The next prime is 998083. The reversal of 998082 is 280899.

It can be written as a sum of positive squares in 2 ways, for example, as 998001 + 81 = 999^2 + 9^2 .

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

998082 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 19 ways as a sum of consecutive naturals, for example, 9832 + ... + 9932.

2⁹⁹⁸⁰⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1147806).

998082 is an abundant number, since it is smaller than the sum of its proper divisors (1297530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998082 is a wasteful number, since it uses less digits than its factorization.

998082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 998082 is about 999.0405397180. The cubic root of 998082 is about 99.9360257483.

The spelling of 998082 in words is "nine hundred ninety-eight thousand, eighty-two".