30319628 has 12 divisors (see below), whose sum is σ = 53959080. Its totient is φ = 14902752.

The previous prime is 30319609. The next prime is 30319669. The reversal of 30319628 is 82691303.

It is a junction number, because it is equal to n+sod(n) for n = 30319594 and 30319603.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 64001 + ... + 64472.

It is an arithmetic number, because the mean of its divisors is an integer number (4496590).

Almost surely, 2^30319628 is an apocalyptic number.

It is an amenable number.

30319628 is a deficient number, since it is larger than the sum of its proper divisors (23639452).

30319628 is a wasteful number, since it uses less digits than its factorization.

30319628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128536 (or 128534 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 30319628 is about 5506.3261799497. The cubic root of 30319628 is about 311.8228640579.

The spelling of 30319628 in words is "thirty million, three hundred nineteen thousand, six hundred twenty-eight".