998320244 has 48 divisors (see below), whose sum is σ = 1892056320. Its totient is φ = 459486720.

The previous prime is 998320241. The next prime is 998320277. The reversal of 998320244 is 442023899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998320241) 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 15 ways as a sum of consecutive naturals, for example, 1581809 + ... + 1582439.

It is an arithmetic number, because the mean of its divisors is an integer number (39417840).

Almost surely, 2^998320244 is an apocalyptic number.

It is an amenable number.

998320244 is a deficient number, since it is larger than the sum of its proper divisors (893736076).

998320244 is a wasteful number, since it uses less digits than its factorization.

998320244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280 (or 1278 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 998320244 is about 31596.2061646648. The cubic root of 998320244 is about 999.4397675315.

The spelling of 998320244 in words is "nine hundred ninety-eight million, three hundred twenty thousand, two hundred forty-four".