30934198 has 16 divisors (see below), whose sum is σ = 47412144. Its totient is φ = 15132960.

The previous prime is 30934177. The next prime is 30934199. The reversal of 30934198 is 89143903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30934199) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27136 + ... + 28252.

It is an arithmetic number, because the mean of its divisors is an integer number (2963259).

Almost surely, 2^30934198 is an apocalyptic number.

30934198 is a deficient number, since it is larger than the sum of its proper divisors (16477946).

30934198 is a wasteful number, since it uses less digits than its factorization.

30934198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 30934198 is about 5561.8520296750. The cubic root of 30934198 is about 313.9156399068.

The spelling of 30934198 in words is "thirty million, nine hundred thirty-four thousand, one hundred ninety-eight".