998075 has 24 divisors (see below), whose sum is σ = 1385328. Its totient is φ = 708480.

The previous prime is 998071. The next prime is 998077. The reversal of 998075 is 570899.

It is not a de Polignac number, because 998075 - 2² = 998071 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998075.

It is not an unprimeable number, because it can be changed into a prime (998071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11984 + ... + 12066.

It is an arithmetic number, because the mean of its divisors is an integer number (57722).

2⁹⁹⁸⁰⁷⁵ is an apocalyptic number.

998075 is a deficient number, since it is larger than the sum of its proper divisors (387253).

998075 is a wasteful number, since it uses less digits than its factorization.

998075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 138 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 998075 is about 999.0370363505. The cubic root of 998075 is about 99.9357921156.

The spelling of 998075 in words is "nine hundred ninety-eight thousand, seventy-five".