30666338 has 8 divisors (see below), whose sum is σ = 46202832. Its totient is φ = 15265396.

The previous prime is 30666313. The next prime is 30666367. The reversal of 30666338 is 83366603.

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

It is a junction number, because it is equal to n+sod(n) for n = 30666298 and 30666307.

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, 33320 + ... + 34227.

It is an arithmetic number, because the mean of its divisors is an integer number (5775354).

Almost surely, 2^30666338 is an apocalyptic number.

30666338 is a deficient number, since it is larger than the sum of its proper divisors (15536494).

30666338 is a wasteful number, since it uses less digits than its factorization.

30666338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67776.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 30666338 is about 5537.7195667531. The cubic root of 30666338 is about 313.0069442195.

The spelling of 30666338 in words is "thirty million, six hundred sixty-six thousand, three hundred thirty-eight".