998795 has 8 divisors (see below), whose sum is σ = 1369824. Its totient is φ = 684864.

The previous prime is 998779. The next prime is 998813. The reversal of 998795 is 597899.

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

It is a cyclic number.

It is not a de Polignac number, because 998795 - 2⁴ = 998779 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14234 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (171228).

2⁹⁹⁸⁷⁹⁵ is an apocalyptic number.

998795 is a deficient number, since it is larger than the sum of its proper divisors (371029).

998795 is a wasteful number, since it uses less digits than its factorization.

998795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28549.

The product of its digits is 204120, while the sum is 47.

The square root of 998795 is about 999.3973183874. The cubic root of 998795 is about 99.9598171889.

The spelling of 998795 in words is "nine hundred ninety-eight thousand, seven hundred ninety-five".