28116230 has 8 divisors (see below), whose sum is σ = 50609232. Its totient is φ = 11246488.

The previous prime is 28116229. The next prime is 28116233. The reversal of 28116230 is 3261182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 28116196 and 28116205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28116233) 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, 1405802 + ... + 1405821.

It is an arithmetic number, because the mean of its divisors is an integer number (6326154).

Almost surely, 2^28116230 is an apocalyptic number.

28116230 is a deficient number, since it is larger than the sum of its proper divisors (22493002).

28116230 is a wasteful number, since it uses less digits than its factorization.

28116230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811630.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 28116230 is about 5302.4739509025. The cubic root of 28116230 is about 304.0784870636.

The spelling of 28116230 in words is "twenty-eight million, one hundred sixteen thousand, two hundred thirty".