998895 has 8 divisors (see below), whose sum is σ = 1598256. Its totient is φ = 532736.

The previous prime is 998861. The next prime is 998897. The reversal of 998895 is 598899.

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 998895 - 2⁶ = 998831 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 998895.

It is not an unprimeable number, because it can be changed into a prime (998897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33282 + ... + 33311.

It is an arithmetic number, because the mean of its divisors is an integer number (199782).

2⁹⁹⁸⁸⁹⁵ is an apocalyptic number.

998895 is a deficient number, since it is larger than the sum of its proper divisors (599361).

998895 is a wasteful number, since it uses less digits than its factorization.

998895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66601.

The product of its digits is 233280, while the sum is 48.

The square root of 998895 is about 999.4473472875. The cubic root of 998895 is about 99.9631530914.

The spelling of 998895 in words is "nine hundred ninety-eight thousand, eight hundred ninety-five".