998396908 has 6 divisors (see below), whose sum is σ = 1747194596. Its totient is φ = 499198452.

The previous prime is 998396887. The next prime is 998396909. The reversal of 998396908 is 809693899.

It is not an unprimeable number, because it can be changed into a prime (998396909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124799610 + ... + 124799617.

Almost surely, 2^998396908 is an apocalyptic number.

It is an amenable number.

998396908 is a deficient number, since it is larger than the sum of its proper divisors (748797688).

998396908 is a wasteful number, since it uses less digits than its factorization.

998396908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249599231 (or 249599229 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 61.

The square root of 998396908 is about 31597.4193250018. The cubic root of 998396908 is about 999.4653502005.

The spelling of 998396908 in words is "nine hundred ninety-eight million, three hundred ninety-six thousand, nine hundred eight".