30329328 has 20 divisors (see below), whose sum is σ = 78350888. Its totient is φ = 10109760.

The previous prime is 30329317. The next prime is 30329329. The reversal of 30329328 is 82392303.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30329295 and 30329304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30329329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315883 + ... + 315978.

Almost surely, 2^30329328 is an apocalyptic number.

It is an amenable number.

30329328 is an abundant number, since it is smaller than the sum of its proper divisors (48021560).

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

30329328 is a wasteful number, since it uses less digits than its factorization.

30329328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631872 (or 631866 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 30329328 is about 5507.2069145802. The cubic root of 30329328 is about 311.8561137983.

The spelling of 30329328 in words is "thirty million, three hundred twenty-nine thousand, three hundred twenty-eight".