28830328 has 16 divisors (see below), whose sum is σ = 54798480. Its totient is φ = 14217408.

The previous prime is 28830311. The next prime is 28830343. The reversal of 28830328 is 82303882.

It is a junction number, because it is equal to n+sod(n) for n = 28830293 and 28830302.

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, 24100 + ... + 25267.

It is an arithmetic number, because the mean of its divisors is an integer number (3424905).

Almost surely, 2^28830328 is an apocalyptic number.

It is an amenable number.

28830328 is a deficient number, since it is larger than the sum of its proper divisors (25968152).

28830328 is a wasteful number, since it uses less digits than its factorization.

28830328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49446 (or 49442 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 28830328 is about 5369.3880470683. The cubic root of 28830328 is about 306.6313307322.

The spelling of 28830328 in words is "twenty-eight million, eight hundred thirty thousand, three hundred twenty-eight".