998951612 has 12 divisors (see below), whose sum is σ = 1750523376. Its totient is φ = 498802080.

The previous prime is 998951609. The next prime is 998951623. The reversal of 998951612 is 216159899.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 165089 + ... + 171032.

It is an arithmetic number, because the mean of its divisors is an integer number (145876948).

Almost surely, 2^998951612 is an apocalyptic number.

It is an amenable number.

998951612 is a deficient number, since it is larger than the sum of its proper divisors (751571764).

998951612 is a wasteful number, since it uses less digits than its factorization.

998951612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336868 (or 336866 counting only the distinct ones).

The product of its digits is 349920, while the sum is 50.

The square root of 998951612 is about 31606.1957850039. The cubic root of 998951612 is about 999.6504151380.

The spelling of 998951612 in words is "nine hundred ninety-eight million, nine hundred fifty-one thousand, six hundred twelve".