30198933 has 8 divisors (see below), whose sum is σ = 44739200. Its totient is φ = 20132604.

The previous prime is 30198901. The next prime is 30198941. The reversal of 30198933 is 33989103.

It is not a de Polignac number, because 30198933 - 2⁵ = 30198901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30198983) 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 7 ways as a sum of consecutive naturals, for example, 559213 + ... + 559266.

It is an arithmetic number, because the mean of its divisors is an integer number (5592400).

Almost surely, 2^30198933 is an apocalyptic number.

It is an amenable number.

30198933 is a deficient number, since it is larger than the sum of its proper divisors (14540267).

30198933 is a wasteful number, since it uses less digits than its factorization.

30198933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118488 (or 1118482 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 30198933 is about 5495.3555844913. The cubic root of 30198933 is about 311.4085503720.

The spelling of 30198933 in words is "thirty million, one hundred ninety-eight thousand, nine hundred thirty-three".