28184330 has 16 divisors (see below), whose sum is σ = 51045984. Its totient is φ = 11203920.

The previous prime is 28184323. The next prime is 28184333. The reversal of 28184330 is 3348182.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28184293 and 28184302.

It is not an unprimeable number, because it can be changed into a prime (28184333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7016 + ... + 10275.

It is an arithmetic number, because the mean of its divisors is an integer number (3190374).

Almost surely, 2^28184330 is an apocalyptic number.

28184330 is a deficient number, since it is larger than the sum of its proper divisors (22861654).

28184330 is a wasteful number, since it uses less digits than its factorization.

28184330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17461.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 28184330 is about 5308.8915980645. The cubic root of 28184330 is about 304.3237907993.

The spelling of 28184330 in words is "twenty-eight million, one hundred eighty-four thousand, three hundred thirty".