998119394 has 16 divisors (see below), whose sum is σ = 1507403520. Its totient is φ = 495658800.

The previous prime is 998119333. The next prime is 998119429. The reversal of 998119394 is 493911899.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464687 + ... + 466829.

It is an arithmetic number, because the mean of its divisors is an integer number (94212720).

Almost surely, 2^998119394 is an apocalyptic number.

998119394 is a deficient number, since it is larger than the sum of its proper divisors (509284126).

998119394 is a wasteful number, since it uses less digits than its factorization.

998119394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its digits is 629856, while the sum is 53.

The square root of 998119394 is about 31593.0276168651. The cubic root of 998119394 is about 999.3727379579.

The spelling of 998119394 in words is "nine hundred ninety-eight million, one hundred nineteen thousand, three hundred ninety-four".