28830333 has 16 divisors (see below), whose sum is σ = 44012160. Its totient is φ = 16444416.

The previous prime is 28830311. The next prime is 28830343. The reversal of 28830333 is 33303882.

It is not a de Polignac number, because 28830333 - 2⁸ = 28830077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28830333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28830343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16141 + ... + 17837.

It is an arithmetic number, because the mean of its divisors is an integer number (2750760).

Almost surely, 2^28830333 is an apocalyptic number.

It is an amenable number.

28830333 is a deficient number, since it is larger than the sum of its proper divisors (15181827).

28830333 is a wasteful number, since it uses less digits than its factorization.

28830333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 28830333 is about 5369.3885126707. The cubic root of 28830333 is about 306.6313484584.

The spelling of 28830333 in words is "twenty-eight million, eight hundred thirty thousand, three hundred thirty-three".