30385732 has 48 divisors (see below), whose sum is σ = 62339760. Its totient is φ = 12828672.

The previous prime is 30385717. The next prime is 30385741. The reversal of 30385732 is 23758303.

It can be written as a sum of positive squares in 8 ways, for example, as 617796 + 29767936 = 786^2 + 5456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30385694 and 30385703.

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 15 ways as a sum of consecutive naturals, for example, 32244 + ... + 33172.

It is an arithmetic number, because the mean of its divisors is an integer number (1298745).

Almost surely, 2^30385732 is an apocalyptic number.

It is an amenable number.

30385732 is an abundant number, since it is smaller than the sum of its proper divisors (31954028).

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

30385732 is a wasteful number, since it uses less digits than its factorization.

30385732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 30385732 is about 5512.3254620895. The cubic root of 30385732 is about 312.0493155665.

The spelling of 30385732 in words is "thirty million, three hundred eighty-five thousand, seven hundred thirty-two".