998496988 has 12 divisors (see below), whose sum is σ = 1748833072. Its totient is φ = 498830400.

The previous prime is 998496977. The next prime is 998496991. The reversal of 998496988 is 889694899.

It is a congruent number.

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, 99120 + ... + 108727.

Almost surely, 2^998496988 is an apocalyptic number.

It is an amenable number.

998496988 is a deficient number, since it is larger than the sum of its proper divisors (750336084).

998496988 is a wasteful number, since it uses less digits than its factorization.

998496988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209052 (or 209050 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 70.

The square root of 998496988 is about 31599.0029589543. The cubic root of 998496988 is about 999.4987447852.

The spelling of 998496988 in words is "nine hundred ninety-eight million, four hundred ninety-six thousand, nine hundred eighty-eight".