998592 has 56 divisors (see below), whose sum is σ = 3023616. Its totient is φ = 284928.

The previous prime is 998561. The next prime is 998617. The reversal of 998592 is 295899.

998592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 2.

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, 973 + ... + 1715.

2⁹⁹⁸⁵⁹² 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 998592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511808).

998592 is an abundant number, since it is smaller than the sum of its proper divisors (2025024).

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

998592 is a wasteful number, since it uses less digits than its factorization.

998592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 755 counting only the distinct ones).

The product of its digits is 58320, while the sum is 42.

The square root of 998592 is about 999.2957520174. The cubic root of 998592 is about 99.9530446220.

The spelling of 998592 in words is "nine hundred ninety-eight thousand, five hundred ninety-two".