99170998 has 8 divisors (see below), whose sum is σ = 149928192. Its totient is φ = 49194936.

The previous prime is 99170941. The next prime is 99171019. The reversal of 99170998 is 89907199.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 194965 + ... + 195472.

It is an arithmetic number, because the mean of its divisors is an integer number (18741024).

Almost surely, 2^99170998 is an apocalyptic number.

99170998 is a deficient number, since it is larger than the sum of its proper divisors (50757194).

99170998 is a wasteful number, since it uses less digits than its factorization.

99170998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390566.

The product of its (nonzero) digits is 367416, while the sum is 52.

The square root of 99170998 is about 9958.4636365255. The cubic root of 99170998 is about 462.8726937986.

The spelling of 99170998 in words is "ninety-nine million, one hundred seventy thousand, nine hundred ninety-eight".