998325 has 60 divisors (see below), whose sum is σ = 2025540. Its totient is φ = 483840.

The previous prime is 998311. The next prime is 998329. The reversal of 998325 is 523899.

It can be written as a sum of positive squares in 6 ways, for example, as 324 + 998001 = 18^2 + 999^2 .

It is not a de Polignac number, because 998325 - 2⁷ = 998197 is a prime.

Its product of digits (19440) is a multiple of the sum of its prime divisors (54).

It is a self number, because there is not a number n which added to its sum of digits gives 998325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998329) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 34411 + ... + 34439.

It is an arithmetic number, because the mean of its divisors is an integer number (33759).

2⁹⁹⁸³²⁵ is an apocalyptic number.

It is an amenable number.

998325 is an abundant number, since it is smaller than the sum of its proper divisors (1027215).

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

998325 is a wasteful number, since it uses less digits than its factorization.

998325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 54 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 998325 is about 999.1621490029. The cubic root of 998325 is about 99.9441354640.

The spelling of 998325 in words is "nine hundred ninety-eight thousand, three hundred twenty-five".