998286 has 16 divisors (see below), whose sum is σ = 2006400. Its totient is φ = 331128.

The previous prime is 998281. The next prime is 998287. The reversal of 998286 is 682899.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998286.

It is not an unprimeable number, because it can be changed into a prime (998281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055 + ... + 2493.

It is an arithmetic number, because the mean of its divisors is an integer number (125400).

2⁹⁹⁸²⁸⁶ is an apocalyptic number.

998286 is an abundant number, since it is smaller than the sum of its proper divisors (1008114).

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

998286 is a wasteful number, since it uses less digits than its factorization.

998286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823.

The product of its digits is 62208, while the sum is 42.

The square root of 998286 is about 999.1426324605. The cubic root of 998286 is about 99.9428339934.

It can be divided in two parts, 99 and 8286, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 998286 in words is "nine hundred ninety-eight thousand, two hundred eighty-six".