998896 has 20 divisors (see below), whose sum is σ = 1953000. Its totient is φ = 494912.

The previous prime is 998861. The next prime is 998897. The reversal of 998896 is 698899.

Its product of digits (279936) is a multiple of the sum of its prime factors (576).

It is a congruent number.

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

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 3 ways as a sum of consecutive naturals, for example, 2175 + ... + 2593.

It is an arithmetic number, because the mean of its divisors is an integer number (97650).

2⁹⁹⁸⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

998896 is a deficient number, since it is larger than the sum of its proper divisors (954104).

998896 is a wasteful number, since it uses less digits than its factorization.

998896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 570 counting only the distinct ones).

The product of its digits is 279936, while the sum is 49.

The square root of 998896 is about 999.4478475638. The cubic root of 998896 is about 99.9631864493.

The spelling of 998896 in words is "nine hundred ninety-eight thousand, eight hundred ninety-six".