30385648 has 20 divisors (see below), whose sum is σ = 59458248. Its totient is φ = 15041600.

The previous prime is 30385637. The next prime is 30385651. The reversal of 30385648 is 84658303.

It is a congruent 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, 7786 + ... + 11017.

Almost surely, 2^30385648 is an apocalyptic number.

It is an amenable number.

30385648 is a deficient number, since it is larger than the sum of its proper divisors (29072600).

30385648 is a wasteful number, since it uses less digits than its factorization.

30385648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18912 (or 18906 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 30385648 is about 5512.3178427954. The cubic root of 30385648 is about 312.0490280174.

The spelling of 30385648 in words is "thirty million, three hundred eighty-five thousand, six hundred forty-eight".