998180488 has 16 divisors (see below), whose sum is σ = 1873874880. Its totient is φ = 498480528.

The previous prime is 998180459. The next prime is 998180497. The reversal of 998180488 is 884081899.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69220 + ... + 82387.

It is an arithmetic number, because the mean of its divisors is an integer number (117117180).

Almost surely, 2^998180488 is an apocalyptic number.

It is an amenable number.

998180488 is a deficient number, since it is larger than the sum of its proper divisors (875694392).

998180488 is a wasteful number, since it uses less digits than its factorization.

998180488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152436 (or 152432 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 55.

The square root of 998180488 is about 31593.9944926247. The cubic root of 998180488 is about 999.3931277806.

The spelling of 998180488 in words is "nine hundred ninety-eight million, one hundred eighty thousand, four hundred eighty-eight".