998104 has 32 divisors (see below), whose sum is σ = 2041200. Its totient is φ = 455680.

The previous prime is 998083. The next prime is 998111. The reversal of 998104 is 401899.

It is an Ulam number.

Together with 1043096 it forms an amicable pair .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5487 + ... + 5665.

2⁹⁹⁸¹⁰⁴ is an apocalyptic number.

It is an amenable number.

998104 is an abundant number, since it is smaller than the sum of its proper divisors (1043096).

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

998104 is a wasteful number, since it uses less digits than its factorization.

998104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 998104 is about 999.0515502215. The cubic root of 998104 is about 99.9367600155.

The spelling of 998104 in words is "nine hundred ninety-eight thousand, one hundred four".