998704 has 40 divisors (see below), whose sum is σ = 2280608. Its totient is φ = 414720.

The previous prime is 998689. The next prime is 998717. The reversal of 998704 is 407899.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a zygodrome in base 6.

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 7 ways as a sum of consecutive naturals, for example, 4024 + ... + 4264.

2⁹⁹⁸⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 998704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140304).

998704 is an abundant number, since it is smaller than the sum of its proper divisors (1281904).

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

998704 is a wasteful number, since it uses less digits than its factorization.

998704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 998704 is about 999.3517899118. The cubic root of 998704 is about 99.9567813242.

The spelling of 998704 in words is "nine hundred ninety-eight thousand, seven hundred four".