998600 has 24 divisors (see below), whose sum is σ = 2322210. Its totient is φ = 399360.

The previous prime is 998561. The next prime is 998617. The reversal of 998600 is 6899.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 669124 + 329476 = 818^2 + 574^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable 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 5 ways as a sum of consecutive naturals, for example, 2297 + ... + 2696.

2⁹⁹⁸⁶⁰⁰ is an apocalyptic number.

It is an amenable number.

998600 is an abundant number, since it is smaller than the sum of its proper divisors (1323610).

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

998600 is a wasteful number, since it uses less digits than its factorization.

998600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5009 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 998600 is about 999.2997548283. The cubic root of 998600 is about 99.9533115386.

The spelling of 998600 in words is "nine hundred ninety-eight thousand, six hundred".