998124 has 12 divisors (see below), whose sum is σ = 2328984. Its totient is φ = 332704.

The previous prime is 998117. The next prime is 998147. The reversal of 998124 is 421899.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 41577 + ... + 41600.

It is an arithmetic number, because the mean of its divisors is an integer number (194082).

2⁹⁹⁸¹²⁴ is an apocalyptic number.

It is an amenable number.

998124 is an abundant number, since it is smaller than the sum of its proper divisors (1330860).

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

998124 is a wasteful number, since it uses less digits than its factorization.

998124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83184 (or 83182 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 998124 is about 999.0615596649. The cubic root of 998124 is about 99.9374275217.

The spelling of 998124 in words is "nine hundred ninety-eight thousand, one hundred twenty-four".