998442216 has 48 divisors (see below), whose sum is σ = 2709027360. Its totient is φ = 332209440.

The previous prime is 998442199. The next prime is 998442233. The reversal of 998442216 is 612244899.

It is an interprime number because it is at equal distance from previous prime (998442199) and next prime (998442233).

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 28221 + ... + 52851.

It is an arithmetic number, because the mean of its divisors is an integer number (56438070).

Almost surely, 2^998442216 is an apocalyptic number.

It is an amenable number.

998442216 is an abundant number, since it is smaller than the sum of its proper divisors (1710585144).

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

998442216 is a wasteful number, since it uses less digits than its factorization.

998442216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25206 (or 25199 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 998442216 is about 31598.1362741539. The cubic root of 998442216 is about 999.4804688007.

The spelling of 998442216 in words is "nine hundred ninety-eight million, four hundred forty-two thousand, two hundred sixteen".