998202898 has 48 divisors (see below), whose sum is σ = 1951621056. Its totient is φ = 371970720.

The previous prime is 998202871. The next prime is 998202899. The reversal of 998202898 is 898202899.

It is not an unprimeable number, because it can be changed into a prime (998202899) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 75340 + ... + 87592.

It is an arithmetic number, because the mean of its divisors is an integer number (40658772).

Almost surely, 2^998202898 is an apocalyptic number.

998202898 is a deficient number, since it is larger than the sum of its proper divisors (953418158).

998202898 is a wasteful number, since it uses less digits than its factorization.

998202898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12319 (or 12296 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 55.

The square root of 998202898 is about 31594.3491466433. The cubic root of 998202898 is about 999.4006067996.

Subtracting from 998202898 its reverse (898202899), we obtain a palindrome (99999999).

The spelling of 998202898 in words is "nine hundred ninety-eight million, two hundred two thousand, eight hundred ninety-eight".