998594 has 8 divisors (see below), whose sum is σ = 1505280. Its totient is φ = 496836.

The previous prime is 998561. The next prime is 998617. The reversal of 998594 is 495899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998594.

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 3 ways as a sum of consecutive naturals, for example, 674 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (188160).

2⁹⁹⁸⁵⁹⁴ is an apocalyptic number.

998594 is a deficient number, since it is larger than the sum of its proper divisors (506686).

998594 is a wasteful number, since it uses less digits than its factorization.

998594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464.

The product of its digits is 116640, while the sum is 44.

The square root of 998594 is about 999.2967527216. The cubic root of 998594 is about 99.9531113513.

The spelling of 998594 in words is "nine hundred ninety-eight thousand, five hundred ninety-four".