998382911 has 8 divisors (see below), whose sum is σ = 1060231920. Its totient is φ = 937464192.

The previous prime is 998382907. The next prime is 998382937. The reversal of 998382911 is 119283899.

It is a happy number.

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 998382911 - 2² = 998382907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 998382911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998381911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230360 + ... + 234653.

It is an arithmetic number, because the mean of its divisors is an integer number (132528990).

Almost surely, 2^998382911 is an apocalyptic number.

998382911 is a deficient number, since it is larger than the sum of its proper divisors (61849009).

998382911 is a wasteful number, since it uses less digits than its factorization.

998382911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465145.

The product of its digits is 279936, while the sum is 50.

The square root of 998382911 is about 31597.1978346182. The cubic root of 998382911 is about 999.4606795190.

The spelling of 998382911 in words is "nine hundred ninety-eight million, three hundred eighty-two thousand, nine hundred eleven".