99998908 has 24 divisors (see below), whose sum is σ = 179791920. Its totient is φ = 48639360.

The previous prime is 99998891. The next prime is 99998909. The reversal of 99998908 is 80989999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47298 + ... + 49366.

It is an arithmetic number, because the mean of its divisors is an integer number (7491330).

Almost surely, 2^99998908 is an apocalyptic number.

It is an amenable number.

99998908 is a deficient number, since it is larger than the sum of its proper divisors (79793012).

99998908 is a wasteful number, since it uses less digits than its factorization.

99998908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 61.

The square root of 99998908 is about 9999.9453998509. The cubic root of 99998908 is about 464.1571938168.

The spelling of 99998908 in words is "ninety-nine million, nine hundred ninety-eight thousand, nine hundred eight".