30993306 has 8 divisors (see below), whose sum is σ = 61986624. Its totient is φ = 10331100.

The previous prime is 30993289. The next prime is 30993353. The reversal of 30993306 is 60339903.

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

30993306 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2582770 + ... + 2582781.

It is an arithmetic number, because the mean of its divisors is an integer number (7748328).

Almost surely, 2^30993306 is an apocalyptic number.

30993306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30993306 is a wasteful number, since it uses less digits than its factorization.

30993306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165556.

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 30993306 is about 5567.1631914288. The cubic root of 30993306 is about 314.1154524264.

The spelling of 30993306 in words is "thirty million, nine hundred ninety-three thousand, three hundred six".