998119750 has 16 divisors (see below), whose sum is σ = 1868480640. Its totient is φ = 399247800.

The previous prime is 998119747. The next prime is 998119789. The reversal of 998119750 is 57911899.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 998119694 and 998119703.

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 7 ways as a sum of consecutive naturals, for example, 1995990 + ... + 1996489.

It is an arithmetic number, because the mean of its divisors is an integer number (116780040).

Almost surely, 2^998119750 is an apocalyptic number.

998119750 is a deficient number, since it is larger than the sum of its proper divisors (870360890).

998119750 is a wasteful number, since it uses less digits than its factorization.

998119750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992496 (or 3992486 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 49.

The square root of 998119750 is about 31593.0332510191. The cubic root of 998119750 is about 999.3728567736.

It can be divided in two parts, 99811 and 9750, that added together give a square (109561 = 331²).

The spelling of 998119750 in words is "nine hundred ninety-eight million, one hundred nineteen thousand, seven hundred fifty".