30198850 has 24 divisors (see below), whose sum is σ = 61277328. Its totient is φ = 10981200.

The previous prime is 30198841. The next prime is 30198871. The reversal of 30198850 is 5889103.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26904 + ... + 28003.

It is an arithmetic number, because the mean of its divisors is an integer number (2553222).

Almost surely, 2^30198850 is an apocalyptic number.

30198850 is an abundant number, since it is smaller than the sum of its proper divisors (31078478).

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

30198850 is a wasteful number, since it uses less digits than its factorization.

30198850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54930 (or 54925 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 30198850 is about 5495.3480326545. The cubic root of 30198850 is about 311.4082650757.

The spelling of 30198850 in words is "thirty million, one hundred ninety-eight thousand, eight hundred fifty".