998214916 has 24 divisors (see below), whose sum is σ = 1825026840. Its totient is φ = 477120000.

The previous prime is 998214907. The next prime is 998214929. The reversal of 998214916 is 619412899.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 472888516 + 525326400 = 21746^2 + 22920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 998214916.

It is an unprimeable number.

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, 30885 + ... + 54316.

It is an arithmetic number, because the mean of its divisors is an integer number (76042785).

Almost surely, 2^998214916 is an apocalyptic number.

It is an amenable number.

998214916 is a deficient number, since it is larger than the sum of its proper divisors (826811924).

998214916 is a wasteful number, since it uses less digits than its factorization.

998214916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85335 (or 85333 counting only the distinct ones).

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

The square root of 998214916 is about 31594.5393383097. The cubic root of 998214916 is about 999.4046175901.

The spelling of 998214916 in words is "nine hundred ninety-eight million, two hundred fourteen thousand, nine hundred sixteen".