30000328 has 8 divisors (see below), whose sum is σ = 56250630. Its totient is φ = 15000160.

The previous prime is 30000323. The next prime is 30000331. The reversal of 30000328 is 82300003.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28922884 + 1077444 = 5378^2 + 1038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (30000323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1875013 + ... + 1875028.

Almost surely, 2^30000328 is an apocalyptic number.

It is an amenable number.

30000328 is a deficient number, since it is larger than the sum of its proper divisors (26250302).

30000328 is a wasteful number, since it uses less digits than its factorization.

30000328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750047 (or 3750043 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30000328 is about 5477.2555171363. The cubic root of 30000328 is about 310.7243830049.

The spelling of 30000328 in words is "thirty million, three hundred twenty-eight", and thus it is an aban number.