30108198 has 32 divisors (see below), whose sum is σ = 63993600. Its totient is φ = 9416736.

The previous prime is 30108191. The next prime is 30108229. The reversal of 30108198 is 89180103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30108191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11215 + ... + 13637.

It is an arithmetic number, because the mean of its divisors is an integer number (1999800).

Almost surely, 2^30108198 is an apocalyptic number.

30108198 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

30108198 is an abundant number, since it is smaller than the sum of its proper divisors (33885402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30108198 is a wasteful number, since it uses less digits than its factorization.

30108198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 1728, while the sum is 30.

The square root of 30108198 is about 5487.0937662847. The cubic root of 30108198 is about 311.0963539013.

The spelling of 30108198 in words is "thirty million, one hundred eight thousand, one hundred ninety-eight".