30992194 has 8 divisors (see below), whose sum is σ = 46767168. Its totient is φ = 15403140.

The previous prime is 30992189. The next prime is 30992231. The reversal of 30992194 is 49129903.

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 46062 + ... + 46729.

It is an arithmetic number, because the mean of its divisors is an integer number (5845896).

Almost surely, 2^30992194 is an apocalyptic number.

30992194 is a deficient number, since it is larger than the sum of its proper divisors (15774974).

30992194 is a wasteful number, since it uses less digits than its factorization.

30992194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92960.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 30992194 is about 5567.0633192016. The cubic root of 30992194 is about 314.1116956952. Note that the first 3 decimals are identical.

The spelling of 30992194 in words is "thirty million, nine hundred ninety-two thousand, one hundred ninety-four".