998995884 has 24 divisors (see below), whose sum is σ = 2332076208. Its totient is φ = 332843520.

The previous prime is 998995883. The next prime is 998995891. The reversal of 998995884 is 488599899.

It is not an unprimeable number, because it can be changed into a prime (998995883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9124 + ... + 45620.

It is an arithmetic number, because the mean of its divisors is an integer number (97169842).

Almost surely, 2^998995884 is an apocalyptic number.

It is an amenable number.

998995884 is an abundant number, since it is smaller than the sum of its proper divisors (1333080324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998995884 is a wasteful number, since it uses less digits than its factorization.

998995884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38785 (or 38783 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 69.

The square root of 998995884 is about 31606.8961462526. The cubic root of 998995884 is about 999.6651825765.

The spelling of 998995884 in words is "nine hundred ninety-eight million, nine hundred ninety-five thousand, eight hundred eighty-four".